diff --git a/samples/Common.c b/samples/Common.c
index d03f5c64b0..b1588693c2 100644
--- a/samples/Common.c
+++ b/samples/Common.c
@@ -357,7 +357,13 @@ STATUS initializePeerConnection(PSampleConfiguration pSampleConfiguration, PRtcP
     configuration.iceTransportPolicy = ICE_TRANSPORT_POLICY_ALL;
 
     // Set the  STUN server
-    SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, pSampleConfiguration->channelInfo.pRegion);
+    PCHAR pKinesisVideoStunUrlPostFix = KINESIS_VIDEO_STUN_URL_POSTFIX;
+    // If region is in CN, add CN region uri postfix
+    if (STRSTR(pSampleConfiguration->channelInfo.pRegion, "cn-")) {
+        pKinesisVideoStunUrlPostFix = KINESIS_VIDEO_STUN_URL_POSTFIX_CN;
+    }
+    SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, pSampleConfiguration->channelInfo.pRegion,
+             pKinesisVideoStunUrlPostFix);
 
     if (pSampleConfiguration->useTurn) {
         // Set the URIs from the configuration
diff --git a/src/include/com/amazonaws/kinesis/video/webrtcclient/Include.h b/src/include/com/amazonaws/kinesis/video/webrtcclient/Include.h
index bf91f41c48..6baa03a278 100644
--- a/src/include/com/amazonaws/kinesis/video/webrtcclient/Include.h
+++ b/src/include/com/amazonaws/kinesis/video/webrtcclient/Include.h
@@ -623,7 +623,9 @@ extern "C" {
 /**
  * Parameterized string for KVS STUN Server
  */
-#define KINESIS_VIDEO_STUN_URL "stun:stun.kinesisvideo.%s.amazonaws.com:443"
+#define KINESIS_VIDEO_STUN_URL_POSTFIX    "amazonaws.com"
+#define KINESIS_VIDEO_STUN_URL_POSTFIX_CN "amazonaws.com.cn"
+#define KINESIS_VIDEO_STUN_URL            "stun:stun.kinesisvideo.%s.%s:443"
 
 /**
  * Default signaling SSL port
diff --git a/src/source/Signaling/ChannelInfo.c b/src/source/Signaling/ChannelInfo.c
index 18e0df7dce..cd794cb2a5 100644
--- a/src/source/Signaling/ChannelInfo.c
+++ b/src/source/Signaling/ChannelInfo.c
@@ -127,6 +127,10 @@ STATUS createValidateChannelInfo(PChannelInfo pOrigChannelInfo, PChannelInfo* pp
         // Create a fully qualified URI
         SNPRINTF(pCurPtr, MAX_CONTROL_PLANE_URI_CHAR_LEN, "%s%s.%s%s", CONTROL_PLANE_URI_PREFIX, KINESIS_VIDEO_SERVICE_NAME, pChannelInfo->pRegion,
                  CONTROL_PLANE_URI_POSTFIX);
+        // If region is in CN, add CN region uri postfix
+        if (STRSTR(pChannelInfo->pRegion, "cn-")) {
+            STRCAT(pCurPtr, ".cn");
+        }
     }
 
     pChannelInfo->pControlPlaneUrl = pCurPtr;
diff --git a/tst/PeerConnectionFunctionalityTest.cpp b/tst/PeerConnectionFunctionalityTest.cpp
index 955d0a25af..5a5e3ed3d5 100644
--- a/tst/PeerConnectionFunctionalityTest.cpp
+++ b/tst/PeerConnectionFunctionalityTest.cpp
@@ -232,7 +232,7 @@ TEST_F(PeerConnectionFunctionalityTest, sendDataWithClosedSocketConnectionWithHo
     PSocketConnection pSocketConnection;
 
     MEMSET(&configuration, 0x00, SIZEOF(RtcConfiguration));
-    SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION);
+    SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION, TEST_DEFAULT_STUN_URL_POSTFIX);
 
     EXPECT_EQ(createPeerConnection(&configuration, &offerPc), STATUS_SUCCESS);
     EXPECT_EQ(createPeerConnection(&configuration, &answerPc), STATUS_SUCCESS);
@@ -524,7 +524,7 @@ TEST_F(PeerConnectionFunctionalityTest, connectTwoPeersWithHostAndStun)
     MEMSET(&configuration, 0x00, SIZEOF(RtcConfiguration));
 
     // Set the  STUN server
-    SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION);
+    SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION, TEST_DEFAULT_STUN_URL_POSTFIX);
 
     EXPECT_EQ(createPeerConnection(&configuration, &offerPc), STATUS_SUCCESS);
     EXPECT_EQ(createPeerConnection(&configuration, &answerPc), STATUS_SUCCESS);
diff --git a/tst/SdpApiTest.cpp b/tst/SdpApiTest.cpp
index 1b05d288bb..0edf661361 100644
--- a/tst/SdpApiTest.cpp
+++ b/tst/SdpApiTest.cpp
@@ -614,7 +614,7 @@ a=group:BUNDLE 0
         RtcSessionDescriptionInit offerSdp{};
         RtcSessionDescriptionInit answerSdp{};
 
-        SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION);
+        SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION, TEST_DEFAULT_STUN_URL_POSTFIX);
 
         track1.kind = MEDIA_STREAM_TRACK_KIND_VIDEO;
         track1.codec = RTC_CODEC_VP8;
@@ -667,7 +667,7 @@ a=group:BUNDLE 0
         RtcSessionDescriptionInit offerSdp{};
         RtcSessionDescriptionInit answerSdp{};
 
-        SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION);
+        SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION, TEST_DEFAULT_STUN_URL_POSTFIX);
 
         track1.kind = MEDIA_STREAM_TRACK_KIND_VIDEO;
         track1.codec = RTC_CODEC_VP8;
@@ -725,7 +725,7 @@ a=group:BUNDLE 0
         RtcSessionDescriptionInit offerSdp{};
         RtcSessionDescriptionInit answerSdp{};
 
-        SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION);
+        SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION, TEST_DEFAULT_STUN_URL_POSTFIX);
 
         track1.kind = MEDIA_STREAM_TRACK_KIND_VIDEO;
         track1.codec = RTC_CODEC_VP8;
@@ -788,7 +788,7 @@ a=ice-options:trickle
         RtcSessionDescriptionInit offerSdp{};
         RtcSessionDescriptionInit answerSdp{};
 
-        SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION);
+        SNPRINTF(configuration.iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION, TEST_DEFAULT_STUN_URL_POSTFIX);
 
         track1.kind = MEDIA_STREAM_TRACK_KIND_VIDEO;
         track1.codec = RTC_CODEC_VP8;
diff --git a/tst/WebRTCClientTestFixture.cpp b/tst/WebRTCClientTestFixture.cpp
index 8291bcf6de..d041db728e 100644
--- a/tst/WebRTCClientTestFixture.cpp
+++ b/tst/WebRTCClientTestFixture.cpp
@@ -256,7 +256,7 @@ void WebRtcClientTestBase::getIceServers(PRtcConfiguration pRtcConfiguration)
     EXPECT_EQ(STATUS_SUCCESS, signalingClientGetIceConfigInfoCount(mSignalingClientHandle, &iceConfigCount));
 
     // Set the  STUN server
-    SNPRINTF(pRtcConfiguration->iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION);
+    SNPRINTF(pRtcConfiguration->iceServers[0].urls, MAX_ICE_CONFIG_URI_LEN, KINESIS_VIDEO_STUN_URL, TEST_DEFAULT_REGION, TEST_DEFAULT_STUN_URL_POSTFIX);
 
     for (uriCount = 0, i = 0; i < iceConfigCount; i++) {
         EXPECT_EQ(STATUS_SUCCESS, signalingClientGetIceConfigInfo(mSignalingClientHandle, i, &pIceConfigInfo));
diff --git a/tst/WebRTCClientTestFixture.h b/tst/WebRTCClientTestFixture.h
index c1d6f52d1f..845abbc4f5 100644
--- a/tst/WebRTCClientTestFixture.h
+++ b/tst/WebRTCClientTestFixture.h
@@ -8,6 +8,7 @@
 #include <atomic>
 
 #define TEST_DEFAULT_REGION             ((PCHAR) "us-west-2")
+#define TEST_DEFAULT_STUN_URL_POSTFIX   (KINESIS_VIDEO_STUN_URL_POSTFIX)
 #define TEST_STREAMING_TOKEN_DURATION   (40 * HUNDREDS_OF_NANOS_IN_A_SECOND)
 #define TEST_JITTER_BUFFER_CLOCK_RATE   (1000)
 #define TEST_SIGNALING_MASTER_CLIENT_ID (PCHAR) "Test_Master_ClientId"