diff --git a/sdk/cosmosdb/arm-cosmosdb/src/models/index.ts b/sdk/cosmosdb/arm-cosmosdb/src/models/index.ts
index 5660472f8adf..32271effa8e0 100644
--- a/sdk/cosmosdb/arm-cosmosdb/src/models/index.ts
+++ b/sdk/cosmosdb/arm-cosmosdb/src/models/index.ts
@@ -72,6 +72,10 @@ export interface Location {
    * values must be unique for each of the regions in which the database account exists.
    */
   failoverPriority?: number;
+  /**
+   * Flag to indicate whether or not this region is an AvailabilityZone region
+   */
+  isZoneRedundant?: boolean;
 }
 
 /**
diff --git a/sdk/cosmosdb/arm-cosmosdb/src/models/mappers.ts b/sdk/cosmosdb/arm-cosmosdb/src/models/mappers.ts
index 9ae39d547034..b99ed62ce44c 100644
--- a/sdk/cosmosdb/arm-cosmosdb/src/models/mappers.ts
+++ b/sdk/cosmosdb/arm-cosmosdb/src/models/mappers.ts
@@ -112,6 +112,12 @@ export const Location: msRest.CompositeMapper = {
         type: {
           name: "Number"
         }
+      },
+      isZoneRedundant: {
+        serializedName: "isZoneRedundant",
+        type: {
+          name: "Boolean"
+        }
       }
     }
   }