diff --git a/.changeset/warm-planes-glow.md b/.changeset/warm-planes-glow.md
new file mode 100644
index 0000000000..0523e8b5f2
--- /dev/null
+++ b/.changeset/warm-planes-glow.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/medusa": patch
+---
+
+Allow an array of region ids in list orders endpoint
diff --git a/packages/medusa/src/types/orders.ts b/packages/medusa/src/types/orders.ts
index 1ac4cb014c..b433544d84 100644
--- a/packages/medusa/src/types/orders.ts
+++ b/packages/medusa/src/types/orders.ts
@@ -8,6 +8,7 @@ import {
   IsString,
   ValidateNested,
 } from "class-validator"
+import { IsType } from "../utils/validators/is-type"
 import { Order } from "../models/order"
 import { DateComparisonOperator } from "./common"
 
@@ -86,9 +87,9 @@ export class AdminListOrdersSelector {
   @IsOptional()
   email?: string
 
-  @IsString()
   @IsOptional()
-  region_id?: string
+  @IsType([String, [String]])
+  region_id?: string | string[]
 
   @IsString()
   @IsOptional()