diff --git a/packages/cli/oclif.manifest.json b/packages/cli/oclif.manifest.json
index d6882fba5b4..8f332df0300 100644
--- a/packages/cli/oclif.manifest.json
+++ b/packages/cli/oclif.manifest.json
@@ -6316,6 +6316,15 @@
       "descriptionWithMarkdown": "Creates a new app development store in your organization.",
       "enableJsonFlag": false,
       "flags": {
+        "country": {
+          "description": "Two-letter country code for the store, such as US, CA, or GB.",
+          "env": "SHOPIFY_FLAG_STORE_COUNTRY",
+          "hasDynamicHelp": false,
+          "multiple": false,
+          "name": "country",
+          "required": false,
+          "type": "option"
+        },
         "feature-preview": {
           "description": "The handle of a feature preview to enable on the new development store.",
           "env": "SHOPIFY_FLAG_STORE_FEATURE_PREVIEW",
@@ -6414,7 +6423,7 @@
       "flags": {
         "country": {
           "description": "Two-letter country code for the store, such as US, CA, or GB.",
-          "env": "SHOPIFY_FLAG_PREVIEW_STORE_COUNTRY",
+          "env": "SHOPIFY_FLAG_STORE_COUNTRY",
           "hasDynamicHelp": false,
           "multiple": false,
           "name": "country",
diff --git a/packages/store/src/cli/api/graphql/business-platform-organizations/generated/create_app_development_store.ts b/packages/store/src/cli/api/graphql/business-platform-organizations/generated/create_app_development_store.ts
index ed940362975..dc279d48a68 100644
--- a/packages/store/src/cli/api/graphql/business-platform-organizations/generated/create_app_development_store.ts
+++ b/packages/store/src/cli/api/graphql/business-platform-organizations/generated/create_app_development_store.ts
@@ -8,6 +8,7 @@ export type CreateAppDevelopmentStoreMutationVariables = Types.Exact<{
   priceLookupKey: Types.Scalars['String']['input']
   prepopulateTestData?: Types.InputMaybe<Types.Scalars['Boolean']['input']>
   developerPreviewHandle?: Types.InputMaybe<Types.Scalars['String']['input']>
+  country?: Types.InputMaybe<Types.Scalars['String']['input']>
 }>
 
 export type CreateAppDevelopmentStoreMutation = {
@@ -46,6 +47,11 @@ export const CreateAppDevelopmentStore = {
           variable: {kind: 'Variable', name: {kind: 'Name', value: 'developerPreviewHandle'}},
           type: {kind: 'NamedType', name: {kind: 'Name', value: 'String'}},
         },
+        {
+          kind: 'VariableDefinition',
+          variable: {kind: 'Variable', name: {kind: 'Name', value: 'country'}},
+          type: {kind: 'NamedType', name: {kind: 'Name', value: 'String'}},
+        },
       ],
       selectionSet: {
         kind: 'SelectionSet',
@@ -74,6 +80,11 @@ export const CreateAppDevelopmentStore = {
                 name: {kind: 'Name', value: 'developerPreviewHandle'},
                 value: {kind: 'Variable', name: {kind: 'Name', value: 'developerPreviewHandle'}},
               },
+              {
+                kind: 'Argument',
+                name: {kind: 'Name', value: 'country'},
+                value: {kind: 'Variable', name: {kind: 'Name', value: 'country'}},
+              },
             ],
             selectionSet: {
               kind: 'SelectionSet',
diff --git a/packages/store/src/cli/api/graphql/business-platform-organizations/mutations/create_app_development_store.graphql b/packages/store/src/cli/api/graphql/business-platform-organizations/mutations/create_app_development_store.graphql
index 4c2b7277baf..b6da18eb81e 100644
--- a/packages/store/src/cli/api/graphql/business-platform-organizations/mutations/create_app_development_store.graphql
+++ b/packages/store/src/cli/api/graphql/business-platform-organizations/mutations/create_app_development_store.graphql
@@ -1,9 +1,10 @@
-mutation CreateAppDevelopmentStore($shopName: String!, $priceLookupKey: String!, $prepopulateTestData: Boolean, $developerPreviewHandle: String) {
+mutation CreateAppDevelopmentStore($shopName: String!, $priceLookupKey: String!, $prepopulateTestData: Boolean, $developerPreviewHandle: String, $country: String) {
   createAppDevelopmentStore(
     shopName: $shopName
     priceLookupKey: $priceLookupKey
     prepopulateTestData: $prepopulateTestData
     developerPreviewHandle: $developerPreviewHandle
+    country: $country
   ) {
     shopAdminUrl
     shopDomain
diff --git a/packages/store/src/cli/commands/store/create/dev.test.ts b/packages/store/src/cli/commands/store/create/dev.test.ts
index 28916e4c998..5e77f815bcc 100644
--- a/packages/store/src/cli/commands/store/create/dev.test.ts
+++ b/packages/store/src/cli/commands/store/create/dev.test.ts
@@ -41,6 +41,7 @@ describe('store create dev command', () => {
       plan: 'plus',
       featurePreview: undefined,
       withDemoData: false,
+      country: undefined,
       json: false,
     })
   })
@@ -54,6 +55,7 @@ describe('store create dev command', () => {
       plan: 'plus',
       featurePreview: undefined,
       withDemoData: false,
+      country: undefined,
       json: true,
     })
   })
@@ -77,10 +79,48 @@ describe('store create dev command', () => {
       plan: 'basic',
       featurePreview: 'extended_variants',
       withDemoData: true,
+      country: undefined,
       json: false,
     })
   })
 
+  test('normalizes and passes the --country flag through to the service', async () => {
+    await StoreCreateDev.run([
+      '--name',
+      'my-test-store',
+      '--plan',
+      'plus',
+      '--organization-id',
+      '12345',
+      '--country',
+      'ca',
+    ])
+
+    expect(createDevStore).toHaveBeenCalledWith(expect.objectContaining({country: 'CA'}))
+  })
+
+  test('rejects an invalid --country value without calling the service', async () => {
+    const mockExit = vi.spyOn(process, 'exit').mockImplementation((() => {
+      throw new Error('process.exit')
+    }) as never)
+
+    await expect(
+      StoreCreateDev.run([
+        '--name',
+        'my-test-store',
+        '--plan',
+        'plus',
+        '--organization-id',
+        '12345',
+        '--country',
+        'USA',
+      ]),
+    ).rejects.toThrow()
+    expect(createDevStore).not.toHaveBeenCalled()
+
+    mockExit.mockRestore()
+  })
+
   test('prompts for the name when --name is omitted in an interactive environment', async () => {
     vi.mocked(storeNamePrompt).mockResolvedValue('prompted-store')
 
@@ -141,6 +181,7 @@ describe('store create dev command', () => {
     expect(StoreCreateDev.flags.plan).toBeDefined()
     expect(StoreCreateDev.flags['feature-preview']).toBeDefined()
     expect(StoreCreateDev.flags['with-demo-data']).toBeDefined()
+    expect(StoreCreateDev.flags.country).toBeDefined()
     expect(StoreCreateDev.flags.json).toBeDefined()
   })
 
diff --git a/packages/store/src/cli/commands/store/create/dev.ts b/packages/store/src/cli/commands/store/create/dev.ts
index 3ba6dfbda3e..6b651fa6f77 100644
--- a/packages/store/src/cli/commands/store/create/dev.ts
+++ b/packages/store/src/cli/commands/store/create/dev.ts
@@ -1,7 +1,7 @@
 import {createDevStore} from '../../../services/store/create/dev.js'
 import {devStorePlanHandles, DevStorePlan} from '../../../services/store/constants.js'
 import {storeNamePrompt, storePlanPrompt} from '../../../prompts/store.js'
-import {storeFlags} from '../../../flags.js'
+import {countryFlag, storeFlags} from '../../../flags.js'
 import {selectOrg} from '@shopify/organizations'
 import Command from '@shopify/cli-kit/node/base-command'
 import {globalFlags, jsonFlag} from '@shopify/cli-kit/node/cli'
@@ -40,6 +40,7 @@ export default class StoreCreateDev extends Command {
       default: false,
       env: 'SHOPIFY_FLAG_STORE_WITH_DEMO_DATA',
     }),
+    country: countryFlag,
   }
 
   async run(): Promise<void> {
@@ -57,6 +58,7 @@ export default class StoreCreateDev extends Command {
         plan,
         featurePreview: flags['feature-preview'],
         withDemoData: flags['with-demo-data'],
+        country: flags.country,
         json: flags.json,
       })
     } catch (error) {
diff --git a/packages/store/src/cli/commands/store/create/preview.ts b/packages/store/src/cli/commands/store/create/preview.ts
index f49c1ae4e2f..34c3ab927d3 100644
--- a/packages/store/src/cli/commands/store/create/preview.ts
+++ b/packages/store/src/cli/commands/store/create/preview.ts
@@ -1,4 +1,4 @@
-import {isCountryCode, previewStoreFlags} from '../../../flags.js'
+import {countryFlag} from '../../../flags.js'
 import {type CreatePreviewStoreResult, createPreviewStoreCommand} from '../../../services/store/create/preview/index.js'
 import {writeCreatePreviewStoreResult} from '../../../services/store/create/preview/result.js'
 import StoreCommand from '../../../utilities/store-command.js'
@@ -30,16 +30,12 @@ export default class StoreCreatePreview extends StoreCommand {
       env: 'SHOPIFY_FLAG_PREVIEW_STORE_NAME',
       required: false,
     }),
-    country: previewStoreFlags.country,
+    country: countryFlag,
   }
 
   public async run(): Promise<void> {
     const {flags} = await this.parse(StoreCreatePreview)
 
-    if (flags.country !== undefined && !isCountryCode(flags.country)) {
-      this.error('Country must be a two-letter country code, for example: US.')
-    }
-
     const result = await renderSingleTask<CreatePreviewStoreResult>({
       title: outputContent`Creating store`,
       task: async () => createPreviewStoreCommand({name: flags.name, country: flags.country}),
diff --git a/packages/store/src/cli/flags.ts b/packages/store/src/cli/flags.ts
index 49ce9304c0c..0529b035cf8 100644
--- a/packages/store/src/cli/flags.ts
+++ b/packages/store/src/cli/flags.ts
@@ -1,24 +1,35 @@
 import {normalizeStoreFqdn} from '@shopify/cli-kit/node/context/fqdn'
 import {normalizeBulkOperationId} from '@shopify/cli-kit/node/api/bulk-operations'
 import {resolvePath} from '@shopify/cli-kit/node/path'
+import {AbortError} from '@shopify/cli-kit/node/error'
 import {Flags} from '@oclif/core'
 
-function countryFlag(env: string) {
-  return Flags.string({
-    description: 'Two-letter country code for the store, such as US, CA, or GB.',
-    env,
-    required: false,
-    parse: async (value) => value.trim().toUpperCase(),
-  })
-}
+// Error message shown when a `--country` flag value is not a two-letter code.
+const invalidCountryCodeMessage = 'Country must be a two-letter country code, for example: US.'
 
-export function isCountryCode(value: string): boolean {
+// Matches a two-letter (ISO 3166-1 alpha-2 shaped) country code after normalization.
+function isCountryCode(value: string): boolean {
   return /^[A-Z]{2}$/.test(value)
 }
 
-export const previewStoreFlags = {
-  country: countryFlag('SHOPIFY_FLAG_PREVIEW_STORE_COUNTRY'),
-}
+/**
+ * Reusable `--country` flag shared by every store-creation command. The value
+ * is normalized to an uppercase, trimmed string and validated during parsing,
+ * so invalid codes are rejected with the same error before a command's `run`
+ * body executes.
+ */
+export const countryFlag = Flags.string({
+  description: 'Two-letter country code for the store, such as US, CA, or GB.',
+  env: 'SHOPIFY_FLAG_STORE_COUNTRY',
+  required: false,
+  parse: async (value) => {
+    const normalized = value.trim().toUpperCase()
+    if (!isCountryCode(normalized)) {
+      throw new AbortError(invalidCountryCodeMessage)
+    }
+    return normalized
+  },
+})
 
 export const storeFlags = {
   store: Flags.string({
diff --git a/packages/store/src/cli/services/store/create/dev.test.ts b/packages/store/src/cli/services/store/create/dev.test.ts
index c94971468dd..750c602a0c3 100644
--- a/packages/store/src/cli/services/store/create/dev.test.ts
+++ b/packages/store/src/cli/services/store/create/dev.test.ts
@@ -71,6 +71,7 @@ describe('createDevStore', () => {
           priceLookupKey: 'SHOPIFY_PLUS_APP_DEVELOPMENT',
           prepopulateTestData: false,
           developerPreviewHandle: undefined,
+          country: undefined,
         },
       }),
     )
@@ -161,6 +162,84 @@ describe('createDevStore', () => {
     expect(outputResult).toHaveBeenCalledWith(expect.stringContaining('"demoData": true'))
   })
 
+  test('passes the country to the mutation', async () => {
+    vi.mocked(businessPlatformOrganizationsRequestDoc)
+      .mockResolvedValueOnce(defaultMutationResult)
+      .mockResolvedValueOnce({
+        organization: {id: '123', storeCreation: {status: 'COMPLETE'}},
+      })
+
+    await createDevStore({name: 'test-store', organization: defaultOrg, plan: 'plus', country: 'CA', json: false})
+
+    expect(businessPlatformOrganizationsRequestDoc).toHaveBeenCalledWith(
+      expect.objectContaining({
+        variables: expect.objectContaining({country: 'CA'}),
+      }),
+    )
+  })
+
+  test('includes the country in JSON output when provided', async () => {
+    vi.mocked(businessPlatformOrganizationsRequestDoc)
+      .mockResolvedValueOnce(defaultMutationResult)
+      .mockResolvedValueOnce({
+        organization: {id: '123', storeCreation: {status: 'COMPLETE'}},
+      })
+
+    await createDevStore({name: 'test-store', organization: defaultOrg, plan: 'basic', country: 'CA', json: true})
+
+    expect(outputResult).toHaveBeenCalledWith(expect.stringContaining('"country": "CA"'))
+  })
+
+  test('includes the country in the success output when provided', async () => {
+    vi.mocked(businessPlatformOrganizationsRequestDoc)
+      .mockResolvedValueOnce(defaultMutationResult)
+      .mockResolvedValueOnce({
+        organization: {id: '123', storeCreation: {status: 'COMPLETE'}},
+      })
+
+    await createDevStore({name: 'test-store', organization: defaultOrg, plan: 'plus', country: 'CA', json: false})
+
+    expect(renderSuccess).toHaveBeenCalledWith(
+      expect.objectContaining({
+        customSections: [
+          expect.objectContaining({
+            body: expect.objectContaining({
+              tabularData: expect.arrayContaining([['Country', 'CA']]),
+            }),
+          }),
+        ],
+      }),
+    )
+  })
+
+  test('renders Admin as N/A in the success output when the admin URL is missing', async () => {
+    vi.mocked(businessPlatformOrganizationsRequestDoc)
+      .mockResolvedValueOnce({
+        createAppDevelopmentStore: {
+          shopAdminUrl: null,
+          shopDomain: 'test-store.myshopify.com',
+          userErrors: [],
+        },
+      })
+      .mockResolvedValueOnce({
+        organization: {id: '123', storeCreation: {status: 'COMPLETE'}},
+      })
+
+    await createDevStore({name: 'test-store', organization: defaultOrg, plan: 'plus', json: false})
+
+    expect(renderSuccess).toHaveBeenCalledWith(
+      expect.objectContaining({
+        customSections: [
+          expect.objectContaining({
+            body: expect.objectContaining({
+              tabularData: expect.arrayContaining([['Admin', 'N/A']]),
+            }),
+          }),
+        ],
+      }),
+    )
+  })
+
   test('outputs JSON when --json flag is set', async () => {
     vi.mocked(businessPlatformOrganizationsRequestDoc)
       .mockResolvedValueOnce(defaultMutationResult)
diff --git a/packages/store/src/cli/services/store/create/dev.ts b/packages/store/src/cli/services/store/create/dev.ts
index 9929f0fcd9e..e92113204d6 100644
--- a/packages/store/src/cli/services/store/create/dev.ts
+++ b/packages/store/src/cli/services/store/create/dev.ts
@@ -8,7 +8,7 @@ import {
 import {Organization} from '@shopify/organizations'
 import {businessPlatformOrganizationsRequestDoc} from '@shopify/cli-kit/node/api/business-platform'
 import {ensureAuthenticatedBusinessPlatform} from '@shopify/cli-kit/node/session'
-import {renderSingleTask, renderSuccess} from '@shopify/cli-kit/node/ui'
+import {renderSingleTask, renderSuccess, type InlineToken} from '@shopify/cli-kit/node/ui'
 import {outputContent, outputResult} from '@shopify/cli-kit/node/output'
 import {AbortError} from '@shopify/cli-kit/node/error'
 import {sleep} from '@shopify/cli-kit/node/system'
@@ -22,6 +22,7 @@ interface CreateDevStoreOptions {
   organization: Organization
   featurePreview?: string
   withDemoData?: boolean
+  country?: string
   json: boolean
 }
 
@@ -64,6 +65,7 @@ export async function createDevStore(options: CreateDevStoreOptions): Promise<vo
       priceLookupKey: DEV_STORE_PLANS[plan],
       prepopulateTestData: options.withDemoData ?? false,
       developerPreviewHandle: options.featurePreview,
+      country: options.country,
     },
     unauthorizedHandler,
   })
@@ -132,6 +134,7 @@ export async function createDevStore(options: CreateDevStoreOptions): Promise<vo
             adminUrl: shopAdminUrl,
             plan,
             ...(options.featurePreview ? {featurePreview: options.featurePreview} : {}),
+            ...(options.country ? {country: options.country} : {}),
             demoData: options.withDemoData ?? false,
           },
           organization: {
@@ -144,15 +147,25 @@ export async function createDevStore(options: CreateDevStoreOptions): Promise<vo
       ),
     )
   } else {
+    const rows: InlineToken[][] = []
+    pushRow(rows, 'Domain', shopDomain)
+    // Admin always renders, falling back to 'N/A' when the URL is missing, so the
+    // summary never silently drops this commonly expected field.
+    rows.push(['Admin', shopAdminUrl ? {link: {label: shopAdminUrl, url: shopAdminUrl}} : 'N/A'])
+    pushRow(rows, 'Plan', plan)
+    pushRow(rows, 'Feature preview', options.featurePreview)
+    pushRow(rows, 'Country', options.country)
+    pushRow(rows, 'Demo data', options.withDemoData ? 'enabled' : 'disabled')
+
     renderSuccess({
       headline: `Development store "${name}" created successfully.`,
-      body: [
-        `Domain: ${shopDomain}`,
-        `Admin: ${shopAdminUrl ?? 'N/A'}`,
-        `Plan: ${plan}`,
-        ...(options.featurePreview ? [`Feature preview: ${options.featurePreview}`] : []),
-        `Demo data: ${options.withDemoData ? 'enabled' : 'disabled'}`,
-      ],
+      customSections: [{body: {tabularData: rows, firstColumnSubdued: true}}],
     })
   }
 }
+
+function pushRow(rows: InlineToken[][], label: string, value: InlineToken | undefined): void {
+  if (value !== undefined && value !== null && value !== '') {
+    rows.push([label, value])
+  }
+}