diff --git a/packages/google-cloud-documentai/protos/google/cloud/documentai/v1/document_processor_service.proto b/packages/google-cloud-documentai/protos/google/cloud/documentai/v1/document_processor_service.proto
index 0d3e872ca62..033b3cb75a0 100644
--- a/packages/google-cloud-documentai/protos/google/cloud/documentai/v1/document_processor_service.proto
+++ b/packages/google-cloud-documentai/protos/google/cloud/documentai/v1/document_processor_service.proto
@@ -52,7 +52,7 @@ option (google.api.resource_definition) = {
 // AI such as natural language, computer vision, and translation to extract
 // structured information from unstructured or semi-structured documents.
 service DocumentProcessorService {
-  option (google.api.default_host) = "us-documentai.googleapis.com";
+  option (google.api.default_host) = "documentai.googleapis.com";
   option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/cloud-platform";
 
   // Processes a single document.
diff --git a/packages/google-cloud-documentai/protos/google/cloud/documentai/v1beta3/document_processor_service.proto b/packages/google-cloud-documentai/protos/google/cloud/documentai/v1beta3/document_processor_service.proto
index 7c37b406b35..d69689f7c09 100644
--- a/packages/google-cloud-documentai/protos/google/cloud/documentai/v1beta3/document_processor_service.proto
+++ b/packages/google-cloud-documentai/protos/google/cloud/documentai/v1beta3/document_processor_service.proto
@@ -57,7 +57,7 @@ option (google.api.resource_definition) = {
 // AI such as natural language, computer vision, and translation to extract
 // structured information from unstructured or semi-structured documents.
 service DocumentProcessorService {
-  option (google.api.default_host) = "us-documentai.googleapis.com";
+  option (google.api.default_host) = "documentai.googleapis.com";
   option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/cloud-platform";
 
   // Processes a single document.
diff --git a/packages/google-cloud-documentai/protos/protos.json b/packages/google-cloud-documentai/protos/protos.json
index c35422f270d..5aea6b3717c 100644
--- a/packages/google-cloud-documentai/protos/protos.json
+++ b/packages/google-cloud-documentai/protos/protos.json
@@ -985,7 +985,7 @@
                     },
                     "DocumentProcessorService": {
                       "options": {
-                        "(google.api.default_host)": "us-documentai.googleapis.com",
+                        "(google.api.default_host)": "documentai.googleapis.com",
                         "(google.api.oauth_scopes)": "https://www.googleapis.com/auth/cloud-platform"
                       },
                       "methods": {
@@ -4091,7 +4091,7 @@
                     },
                     "DocumentProcessorService": {
                       "options": {
-                        "(google.api.default_host)": "us-documentai.googleapis.com",
+                        "(google.api.default_host)": "documentai.googleapis.com",
                         "(google.api.oauth_scopes)": "https://www.googleapis.com/auth/cloud-platform"
                       },
                       "methods": {
diff --git a/packages/google-cloud-documentai/src/v1/document_processor_service_client.ts b/packages/google-cloud-documentai/src/v1/document_processor_service_client.ts
index 77d39b177bb..578d2500d2f 100644
--- a/packages/google-cloud-documentai/src/v1/document_processor_service_client.ts
+++ b/packages/google-cloud-documentai/src/v1/document_processor_service_client.ts
@@ -280,7 +280,7 @@ export class DocumentProcessorServiceClient {
    * @returns {string} The DNS address for this service.
    */
   static get servicePath() {
-    return 'us-documentai.googleapis.com';
+    return 'documentai.googleapis.com';
   }
 
   /**
@@ -289,7 +289,7 @@ export class DocumentProcessorServiceClient {
    * @returns {string} The DNS address for this service.
    */
   static get apiEndpoint() {
-    return 'us-documentai.googleapis.com';
+    return 'documentai.googleapis.com';
   }
 
   /**
diff --git a/packages/google-cloud-documentai/src/v1beta3/document_processor_service_client.ts b/packages/google-cloud-documentai/src/v1beta3/document_processor_service_client.ts
index 7694507fff4..570cee2268f 100644
--- a/packages/google-cloud-documentai/src/v1beta3/document_processor_service_client.ts
+++ b/packages/google-cloud-documentai/src/v1beta3/document_processor_service_client.ts
@@ -280,7 +280,7 @@ export class DocumentProcessorServiceClient {
    * @returns {string} The DNS address for this service.
    */
   static get servicePath() {
-    return 'us-documentai.googleapis.com';
+    return 'documentai.googleapis.com';
   }
 
   /**
@@ -289,7 +289,7 @@ export class DocumentProcessorServiceClient {
    * @returns {string} The DNS address for this service.
    */
   static get apiEndpoint() {
-    return 'us-documentai.googleapis.com';
+    return 'documentai.googleapis.com';
   }
 
   /**