diff --git a/packages/data-source/src/adapters/bigquery.test.ts b/packages/data-source/src/adapters/bigquery.test.ts
index 590471ffd..ee1f0b10a 100644
--- a/packages/data-source/src/adapters/bigquery.test.ts
+++ b/packages/data-source/src/adapters/bigquery.test.ts
@@ -51,6 +51,7 @@ describe('BigQueryAdapter', () => {
           private_key: 'test-key',
           client_email: 'test@test.iam.gserviceaccount.com',
         },
+        location: 'US',
       });
     });
 
@@ -67,6 +68,7 @@ describe('BigQueryAdapter', () => {
       expect(BigQuery).toHaveBeenCalledWith({
         projectId: 'test-project',
         keyFilename: '/path/to/key.json',
+        location: 'US',
       });
     });
 
@@ -103,6 +105,7 @@ describe('BigQueryAdapter', () => {
         expect.objectContaining({
           projectId: 'test-project',
           credentials: serviceAccountObject,
+          location: 'US',
         })
       );
     });
@@ -131,6 +134,7 @@ describe('BigQueryAdapter', () => {
       expect(BigQuery).toHaveBeenCalledWith(
         expect.objectContaining({
           projectId: 'test-project',
+          location: 'US',
         })
       );
     });
@@ -149,6 +153,7 @@ describe('BigQueryAdapter', () => {
       expect(BigQuery).toHaveBeenCalledWith(
         expect.objectContaining({
           projectId: 'test-project',
+          location: 'us-central1',
         })
       );
     });
diff --git a/packages/data-source/src/adapters/bigquery.ts b/packages/data-source/src/adapters/bigquery.ts
index 562734019..c45513f14 100644
--- a/packages/data-source/src/adapters/bigquery.ts
+++ b/packages/data-source/src/adapters/bigquery.ts
@@ -49,9 +49,8 @@ export class BigQueryAdapter extends BaseAdapter {
         options.keyFilename = bigqueryCredentials.key_file_path;
       }
 
-      if (bigqueryCredentials.location) {
-        options.location = bigqueryCredentials.location;
-      }
+      // Set location - default to US if not specified
+      options.location = bigqueryCredentials.location || 'US';
 
       this.client = new BigQuery(options);
       this.credentials = credentials;
@@ -79,6 +78,13 @@ export class BigQueryAdapter extends BaseAdapter {
       // Fix SQL to ensure proper escaping of identifiers with special characters
       const fixedSql = fixBigQueryTableReferences(sql);
 
+      // Debug logging to verify the fix is applied
+      if (sql !== fixedSql) {
+        console.log('[BigQuery] SQL fixed for special characters:');
+        console.log('  Original:', sql);
+        console.log('  Fixed:   ', fixedSql);
+      }
+
       const options: Query = {
         query: fixedSql,
         useLegacySql: false,