diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/DocumentProcessorServiceSettings.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/DocumentProcessorServiceSettings.java
index bbb6d64e..77513d68 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/DocumentProcessorServiceSettings.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/DocumentProcessorServiceSettings.java
@@ -40,7 +40,7 @@
  * <p>The default instance has everything set to sensible defaults:
  *
  * <ul>
- *   <li>The default service address (us-documentai.googleapis.com) and default port (443) are used.
+ *   <li>The default service address (documentai.googleapis.com) and default port (443) are used.
  *   <li>Credentials are acquired automatically through Application Default Credentials.
  *   <li>Retries are configured for idempotent methods but not for non-idempotent methods.
  * </ul>
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/stub/DocumentProcessorServiceStubSettings.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/stub/DocumentProcessorServiceStubSettings.java
index 05d7553e..83648289 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/stub/DocumentProcessorServiceStubSettings.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1/stub/DocumentProcessorServiceStubSettings.java
@@ -60,7 +60,7 @@
  * <p>The default instance has everything set to sensible defaults:
  *
  * <ul>
- *   <li>The default service address (us-documentai.googleapis.com) and default port (443) are used.
+ *   <li>The default service address (documentai.googleapis.com) and default port (443) are used.
  *   <li>Credentials are acquired automatically through Application Default Credentials.
  *   <li>Retries are configured for idempotent methods but not for non-idempotent methods.
  * </ul>
@@ -150,7 +150,7 @@ public static InstantiatingExecutorProvider.Builder defaultExecutorProviderBuild
 
   /** Returns the default service endpoint. */
   public static String getDefaultEndpoint() {
-    return "us-documentai.googleapis.com:443";
+    return "documentai.googleapis.com:443";
   }
 
   /** Returns the default service scopes. */
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceSettings.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceSettings.java
index 9d28863c..02121ae1 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceSettings.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceSettings.java
@@ -40,7 +40,7 @@
  * <p>The default instance has everything set to sensible defaults:
  *
  * <ul>
- *   <li>The default service address (us-documentai.googleapis.com) and default port (443) are used.
+ *   <li>The default service address (documentai.googleapis.com) and default port (443) are used.
  *   <li>Credentials are acquired automatically through Application Default Credentials.
  *   <li>Retries are configured for idempotent methods but not for non-idempotent methods.
  * </ul>
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStubSettings.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStubSettings.java
index 80da61bf..0509b2af 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStubSettings.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStubSettings.java
@@ -60,7 +60,7 @@
  * <p>The default instance has everything set to sensible defaults:
  *
  * <ul>
- *   <li>The default service address (us-documentai.googleapis.com) and default port (443) are used.
+ *   <li>The default service address (documentai.googleapis.com) and default port (443) are used.
  *   <li>Credentials are acquired automatically through Application Default Credentials.
  *   <li>Retries are configured for idempotent methods but not for non-idempotent methods.
  * </ul>
@@ -151,7 +151,7 @@ public static InstantiatingExecutorProvider.Builder defaultExecutorProviderBuild
 
   /** Returns the default service endpoint. */
   public static String getDefaultEndpoint() {
-    return "us-documentai.googleapis.com:443";
+    return "documentai.googleapis.com:443";
   }
 
   /** Returns the default service scopes. */
diff --git a/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentAiProcessorService.java b/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentAiProcessorService.java
index 22d937b1..1f1f4304 100644
--- a/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentAiProcessorService.java
+++ b/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentAiProcessorService.java
@@ -146,7 +146,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "/\n\013update_time\030\004 \001(\0132\032.google.protobuf.T"
           + "imestamp\"e\n\005State\022\025\n\021STATE_UNSPECIFIED\020\000"
           + "\022\013\n\007RUNNING\020\001\022\016\n\nCANCELLING\020\002\022\r\n\tSUCCEED"
-          + "ED\020\003\022\n\n\006FAILED\020\004\022\r\n\tCANCELLED\020\0052\256\006\n\030Docu"
+          + "ED\020\003\022\n\n\006FAILED\020\004\022\r\n\tCANCELLED\020\0052\253\006\n\030Docu"
           + "mentProcessorService\022\264\001\n\017ProcessDocument"
           + "\022*.google.cloud.documentai.v1.ProcessReq"
           + "uest\032+.google.cloud.documentai.v1.Proces"
@@ -165,22 +165,22 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ssors/*/humanReviewConfig}:reviewDocumen"
           + "t:\001*\332A\023human_review_config\312A9\n\026ReviewDoc"
           + "umentResponse\022\037ReviewDocumentOperationMe"
-          + "tadata\032P\312A\034us-documentai.googleapis.com\322"
-          + "A.https://www.googleapis.com/auth/cloud-"
-          + "platformB\230\004\n\036com.google.cloud.documentai"
-          + ".v1B\032DocumentAiProcessorServiceP\001ZDgoogl"
-          + "e.golang.org/genproto/googleapis/cloud/d"
-          + "ocumentai/v1;documentai\252\002\032Google.Cloud.D"
-          + "ocumentAI.V1\312\002\032Google\\Cloud\\DocumentAI\\V"
-          + "1\352\002\035Google::Cloud::DocumentAI::V1\352AM\n\"do"
-          + "cumentai.googleapis.com/Location\022\'projec"
-          + "ts/{project}/locations/{location}\352Ae\n#do"
-          + "cumentai.googleapis.com/Processor\022>proje"
-          + "cts/{project}/locations/{location}/proce"
-          + "ssors/{processor}\352A\177\n+documentai.googlea"
-          + "pis.com/HumanReviewConfig\022Pprojects/{pro"
-          + "ject}/locations/{location}/processors/{p"
-          + "rocessor}/humanReviewConfigb\006proto3"
+          + "tadata\032M\312A\031documentai.googleapis.com\322A.h"
+          + "ttps://www.googleapis.com/auth/cloud-pla"
+          + "tformB\230\004\n\036com.google.cloud.documentai.v1"
+          + "B\032DocumentAiProcessorServiceP\001ZDgoogle.g"
+          + "olang.org/genproto/googleapis/cloud/docu"
+          + "mentai/v1;documentai\252\002\032Google.Cloud.Docu"
+          + "mentAI.V1\312\002\032Google\\Cloud\\DocumentAI\\V1\352\002"
+          + "\035Google::Cloud::DocumentAI::V1\352AM\n\"docum"
+          + "entai.googleapis.com/Location\022\'projects/"
+          + "{project}/locations/{location}\352Ae\n#docum"
+          + "entai.googleapis.com/Processor\022>projects"
+          + "/{project}/locations/{location}/processo"
+          + "rs/{processor}\352A\177\n+documentai.googleapis"
+          + ".com/HumanReviewConfig\022Pprojects/{projec"
+          + "t}/locations/{location}/processors/{proc"
+          + "essor}/humanReviewConfigb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
diff --git a/proto-google-cloud-document-ai-v1/src/main/proto/google/cloud/documentai/v1/document_processor_service.proto b/proto-google-cloud-document-ai-v1/src/main/proto/google/cloud/documentai/v1/document_processor_service.proto
index 0d3e872c..033b3cb7 100644
--- a/proto-google-cloud-document-ai-v1/src/main/proto/google/cloud/documentai/v1/document_processor_service.proto
+++ b/proto-google-cloud-document-ai-v1/src/main/proto/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/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorService.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorService.java
index 03f9f7aa..7a732929 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorService.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorService.java
@@ -177,7 +177,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ime\030\004 \001(\0132\032.google.protobuf.Timestamp\"e\n"
           + "\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\013\n\007RUNNING"
           + "\020\001\022\016\n\nCANCELLING\020\002\022\r\n\tSUCCEEDED\020\003\022\n\n\006FAI"
-          + "LED\020\004\022\r\n\tCANCELLED\020\0052\322\006\n\030DocumentProcess"
+          + "LED\020\004\022\r\n\tCANCELLED\020\0052\317\006\n\030DocumentProcess"
           + "orService\022\303\001\n\017ProcessDocument\022/.google.c"
           + "loud.documentai.v1beta3.ProcessRequest\0320"
           + ".google.cloud.documentai.v1beta3.Process"
@@ -196,24 +196,24 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "jects/*/locations/*/processors/*/humanRe"
           + "viewConfig}:reviewDocument:\001*\332A\023human_re"
           + "view_config\312A9\n\026ReviewDocumentResponse\022\037"
-          + "ReviewDocumentOperationMetadata\032P\312A\034us-d"
-          + "ocumentai.googleapis.com\322A.https://www.g"
-          + "oogleapis.com/auth/cloud-platformB\261\004\n#co"
-          + "m.google.cloud.documentai.v1beta3B\032Docum"
-          + "entAiProcessorServiceP\001ZIgoogle.golang.o"
-          + "rg/genproto/googleapis/cloud/documentai/"
-          + "v1beta3;documentai\252\002\037Google.Cloud.Docume"
-          + "ntAI.V1Beta3\312\002\037Google\\Cloud\\DocumentAI\\V"
-          + "1beta3\352\002\"Google::Cloud::DocumentAI::V1be"
-          + "ta3\352AM\n\"documentai.googleapis.com/Locati"
-          + "on\022\'projects/{project}/locations/{locati"
-          + "on}\352Ae\n#documentai.googleapis.com/Proces"
-          + "sor\022>projects/{project}/locations/{locat"
-          + "ion}/processors/{processor}\352A\177\n+document"
-          + "ai.googleapis.com/HumanReviewConfig\022Ppro"
-          + "jects/{project}/locations/{location}/pro"
-          + "cessors/{processor}/humanReviewConfigb\006p"
-          + "roto3"
+          + "ReviewDocumentOperationMetadata\032M\312A\031docu"
+          + "mentai.googleapis.com\322A.https://www.goog"
+          + "leapis.com/auth/cloud-platformB\261\004\n#com.g"
+          + "oogle.cloud.documentai.v1beta3B\032Document"
+          + "AiProcessorServiceP\001ZIgoogle.golang.org/"
+          + "genproto/googleapis/cloud/documentai/v1b"
+          + "eta3;documentai\252\002\037Google.Cloud.DocumentA"
+          + "I.V1Beta3\312\002\037Google\\Cloud\\DocumentAI\\V1be"
+          + "ta3\352\002\"Google::Cloud::DocumentAI::V1beta3"
+          + "\352AM\n\"documentai.googleapis.com/Location\022"
+          + "\'projects/{project}/locations/{location}"
+          + "\352Ae\n#documentai.googleapis.com/Processor"
+          + "\022>projects/{project}/locations/{location"
+          + "}/processors/{processor}\352A\177\n+documentai."
+          + "googleapis.com/HumanReviewConfig\022Pprojec"
+          + "ts/{project}/locations/{location}/proces"
+          + "sors/{processor}/humanReviewConfigb\006prot"
+          + "o3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_processor_service.proto b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_processor_service.proto
index 7c37b406..d69689f7 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_processor_service.proto
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/proto/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/synth.metadata b/synth.metadata
index 5f1ab82a..b9b86b13 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -11,32 +11,32 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "7713e2e860003a84b35b701de29dd0769795e1e3",
-        "internalRef": "370513265"
+        "sha": "b29fb6b9fcdf3bc67487fa22ab7783915023041e",
+        "internalRef": "373516134"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "7713e2e860003a84b35b701de29dd0769795e1e3",
-        "internalRef": "370513265"
+        "sha": "b29fb6b9fcdf3bc67487fa22ab7783915023041e",
+        "internalRef": "373516134"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "7713e2e860003a84b35b701de29dd0769795e1e3",
-        "internalRef": "370513265"
+        "sha": "b29fb6b9fcdf3bc67487fa22ab7783915023041e",
+        "internalRef": "373516134"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "7713e2e860003a84b35b701de29dd0769795e1e3",
-        "internalRef": "370513265"
+        "sha": "b29fb6b9fcdf3bc67487fa22ab7783915023041e",
+        "internalRef": "373516134"
       }
     },
     {