diff --git a/src/features/tasks/utils/contest-table/aoj_icpc_providers.test.ts b/src/features/tasks/utils/contest-table/aoj_icpc_providers.test.ts
index a18b3701f..552e853f6 100644
--- a/src/features/tasks/utils/contest-table/aoj_icpc_providers.test.ts
+++ b/src/features/tasks/utils/contest-table/aoj_icpc_providers.test.ts
@@ -693,7 +693,7 @@ describe('AojIcpcRegionalProvider', () => {
 
   describe('getMetadata', () => {
     test('returns correct title with year', () => {
-      expect(provider1998.getMetadata().title).toBe('ICPC 地区予選 1998');
+      expect(provider1998.getMetadata().title).toBe('ICPC アジア地区 1998');
     });
 
     test('returns correct abbreviationName with year', () => {
@@ -740,7 +740,7 @@ describe('AojIcpcRegionalProvider', () => {
 
   describe('getContestRoundLabel', () => {
     test('returns label with year', () => {
-      expect(provider1998.getContestRoundLabel('ICPCRegional1998')).toBe('ICPC 地区予選 1998');
+      expect(provider1998.getContestRoundLabel('ICPCRegional1998')).toBe('ICPC アジア地区 1998');
     });
   });
 
@@ -789,7 +789,7 @@ describe('AojIcpcRegionalProvider', () => {
     const provider2024 = createRegionalProvider(2024);
 
     test('latest year 2024 returns correct metadata (12 problems, A–L)', () => {
-      expect(provider2024.getMetadata().title).toBe('ICPC 地区予選 2024');
+      expect(provider2024.getMetadata().title).toBe('ICPC アジア地区 2024');
       expect(provider2024.getMetadata().abbreviationName).toBe('icpcRegional2024');
     });
 
diff --git a/src/features/tasks/utils/contest-table/aoj_icpc_providers.ts b/src/features/tasks/utils/contest-table/aoj_icpc_providers.ts
index 6654b65e3..f7e3ed626 100644
--- a/src/features/tasks/utils/contest-table/aoj_icpc_providers.ts
+++ b/src/features/tasks/utils/contest-table/aoj_icpc_providers.ts
@@ -77,7 +77,7 @@ export class AojIcpcRegionalProvider extends ContestTableProviderBase {
 
   getMetadata(): ContestTableMetaData {
     return {
-      title: `ICPC 地区予選 ${this.year}`,
+      title: `ICPC アジア地区 ${this.year}`,
       abbreviationName: `icpcRegional${this.year}`,
       titleStyle: AOJ_ICPC_TITLE_STYLE,
     };
@@ -88,7 +88,7 @@ export class AojIcpcRegionalProvider extends ContestTableProviderBase {
   }
 
   getContestRoundLabel(_contestId: string): string {
-    return `ICPC 地区予選 ${this.year}`;
+    return `ICPC アジア地区 ${this.year}`;
   }
 
   override getTaskLabels(filtered: TaskResults): Record<string, Record<string, string>> {
diff --git a/src/features/tasks/utils/contest-table/contest_table_provider_groups.test.ts b/src/features/tasks/utils/contest-table/contest_table_provider_groups.test.ts
index 6e54b5cb3..96c7bbcf6 100644
--- a/src/features/tasks/utils/contest-table/contest_table_provider_groups.test.ts
+++ b/src/features/tasks/utils/contest-table/contest_table_provider_groups.test.ts
@@ -311,9 +311,9 @@ describe('prepareContestProviderPresets', () => {
   test('expects to create AojIcpcRegional preset correctly', () => {
     const group = prepareContestProviderPresets().AojIcpcRegional();
 
-    expect(group.getGroupName()).toBe('ICPC 地区予選');
+    expect(group.getGroupName()).toBe('ICPC アジア地区');
     expect(group.getMetadata()).toEqual({
-      buttonLabel: 'ICPC 地区予選',
+      buttonLabel: 'ICPC アジア地区',
       ariaLabel: 'Filter ICPC Asia Regional',
     });
     expect(group.getSize()).toBe(ICPC_REGIONAL_LATEST_YEAR - ICPC_REGIONAL_OLDEST_YEAR + 1); // 27
diff --git a/src/features/tasks/utils/contest-table/contest_table_provider_groups.ts b/src/features/tasks/utils/contest-table/contest_table_provider_groups.ts
index f2978e1b4..f19c84a09 100644
--- a/src/features/tasks/utils/contest-table/contest_table_provider_groups.ts
+++ b/src/features/tasks/utils/contest-table/contest_table_provider_groups.ts
@@ -246,8 +246,8 @@ export const prepareContestProviderPresets = () => {
     },
 
     AojIcpcRegional: () => {
-      const group = new ContestTableProviderGroup('ICPC 地区予選', {
-        buttonLabel: 'ICPC 地区予選',
+      const group = new ContestTableProviderGroup('ICPC アジア地区', {
+        buttonLabel: 'ICPC アジア地区',
         ariaLabel: 'Filter ICPC Asia Regional',
       });
       // Iterate from latest to oldest so the newest year's table renders on top.
diff --git a/src/lib/clients/index.ts b/src/lib/clients/index.ts
index 539e5bf09..1e4fa29f0 100644
--- a/src/lib/clients/index.ts
+++ b/src/lib/clients/index.ts
@@ -74,7 +74,7 @@ const importSources: Record<ContestTaskImportSource, ContestTaskImportSourceConf
   ),
   aoj_icpc_regional: buildAojChallengeConfig(
     { contestType: 'ICPC', round: 'REGIONAL' },
-    'AOJ - ICPC 地区予選',
+    'AOJ - ICPC アジア地区',
   ),
 };
 
diff --git a/src/lib/utils/contest.ts b/src/lib/utils/contest.ts
index ddbaf23c1..5ef2ddc22 100644
--- a/src/lib/utils/contest.ts
+++ b/src/lib/utils/contest.ts
@@ -735,7 +735,7 @@ const JAG_TRANSLATIONS = {
 
 const ICPC_TRANSLATIONS = {
   Prelim: ' 国内予選 ',
-  Regional: ' 地区予選 ',
+  Regional: ' アジア地区 ',
 };
 
 export function getAojContestLabel(
diff --git a/src/test/lib/utils/test_cases/contest_name_and_task_index.ts b/src/test/lib/utils/test_cases/contest_name_and_task_index.ts
index fbff54268..6f984d224 100644
--- a/src/test/lib/utils/test_cases/contest_name_and_task_index.ts
+++ b/src/test/lib/utils/test_cases/contest_name_and_task_index.ts
@@ -845,7 +845,7 @@ export const aojJag = [
 
 /**
  * Test cases for AOJ ICPC contests
- * Includes both preliminary (国内予選) and regional (地区予選) rounds
+ * Includes both preliminary (国内予選) and regional (アジア地区) rounds
  * Format: ICPC{Round}{Year} - {problemId}
  */
 const AOJ_ICPC_TEST_DATA = {
@@ -880,7 +880,7 @@ const generateAojIcpcTestCases = (
     return createTestCaseForContestNameAndTaskIndex(`AOJ, ICPC${contestId} - ${taskIndex}`)({
       contestId: `ICPC${contestId}`,
       taskTableIndex: taskIndex,
-      expected: `AOJ ${taskIndex}（ICPC${contestId.replace('Prelim', ' 国内予選 ').replace('Regional', ' 地区予選 ')}）`,
+      expected: `AOJ ${taskIndex}（ICPC${contestId.replace('Prelim', ' 国内予選 ').replace('Regional', ' アジア地区 ')}）`,
     });
   });
 };
diff --git a/src/test/lib/utils/test_cases/contest_name_labels.ts b/src/test/lib/utils/test_cases/contest_name_labels.ts
index c3ef7668f..356173469 100644
--- a/src/test/lib/utils/test_cases/contest_name_labels.ts
+++ b/src/test/lib/utils/test_cases/contest_name_labels.ts
@@ -129,7 +129,7 @@ export const aojIcpc = [
   }),
   createTestCaseForContestNameLabel('ICPC Regional 2024')({
     contestId: 'ICPCRegional2024',
-    expected: '（ICPC 地区予選 2024）',
+    expected: '（ICPC アジア地区 2024）',
   }),
   createTestCaseForContestNameLabel('ICPC Prelim 2023')({
     contestId: 'ICPCPrelim2023',
@@ -137,7 +137,7 @@ export const aojIcpc = [
   }),
   createTestCaseForContestNameLabel('ICPC Regional 2023')({
     contestId: 'ICPCRegional2023',
-    expected: '（ICPC 地区予選 2023）',
+    expected: '（ICPC アジア地区 2023）',
   }),
 ];