diff --git a/src/resources/radar/bgp/routes.ts b/src/resources/radar/bgp/routes.ts
index f0c45fae2f..5fb559b6ee 100644
--- a/src/resources/radar/bgp/routes.ts
+++ b/src/resources/radar/bgp/routes.ts
@@ -347,6 +347,11 @@ export interface RouteTimeseriesParams {
    * Format results are returned in.
    */
   format?: 'JSON' | 'CSV';
+
+  /**
+   * Location Alpha2 code.
+   */
+  location?: string;
 }
 
 export namespace Routes {
diff --git a/tests/api-resources/radar/bgp/routes.test.ts b/tests/api-resources/radar/bgp/routes.test.ts
index 58b7b33a67..fc507e3b3a 100644
--- a/tests/api-resources/radar/bgp/routes.test.ts
+++ b/tests/api-resources/radar/bgp/routes.test.ts
@@ -134,6 +134,7 @@ describe('resource routes', () => {
           dateRange: '7d',
           dateStart: '2023-09-01T11:41:33.782Z',
           format: 'JSON',
+          location: 'US',
         },
         { path: '/_stainless_unknown_path' },
       ),