diff --git a/src/Aks/Aks/ChangeLog.md b/src/Aks/Aks/ChangeLog.md
index d175819c05be..c232eead0d0d 100644
--- a/src/Aks/Aks/ChangeLog.md
+++ b/src/Aks/Aks/ChangeLog.md
@@ -23,6 +23,7 @@
 * Added property `PowerState` for the output of `Get-AzAksCluster`[#18271]
 * Updated the logic of `Set-AzAksCluster` for parameter `NodeImageOnly`.
 * Added parameter `NodeImageOnly` for `Update-AzAksNodePool`.
+* Added parameter `AvailabilityZone` for `New-AzAksCluster`. [#18658]
 
 ## Version 4.1.0
 * Removed these aliases:
diff --git a/src/Aks/Aks/Commands/NewAzureRmAks.cs b/src/Aks/Aks/Commands/NewAzureRmAks.cs
index b05e8b6ec852..8a2f8624bd22 100644
--- a/src/Aks/Aks/Commands/NewAzureRmAks.cs
+++ b/src/Aks/Aks/Commands/NewAzureRmAks.cs
@@ -137,6 +137,10 @@ public class NewAzureRmAks : CreateOrUpdateKubeBase
         [Parameter(Mandatory = false, HelpMessage = "The resource Id of public IP prefix for node pool.")]
         public string NodePublicIPPrefixID { get; set; }
 
+        [Parameter(
+            Mandatory = false,
+            HelpMessage = "Availability zones for cluster. Must use VirtualMachineScaleSets AgentPoolType.")]
+        public string[] AvailabilityZone { get; set; }
 
         private AcsServicePrincipal acsServicePrincipal;
 
@@ -468,6 +472,11 @@ private ManagedClusterAgentPoolProfile GetAgentPoolProfile()
                     defaultAgentPoolProfile.NodeLabels.Add(key.ToString(), NodePoolLabel[key].ToString());
                 }
             }
+            if (this.IsParameterBound(c => c.AvailabilityZone))
+            {
+                defaultAgentPoolProfile.AvailabilityZones = AvailabilityZone;
+            }
+
             defaultAgentPoolProfile.Mode = NodePoolMode;
 
             return defaultAgentPoolProfile;
diff --git a/src/Aks/Aks/help/New-AzAksCluster.md b/src/Aks/Aks/help/New-AzAksCluster.md
index 6efa96d2b809..4fca6df25e1b 100644
--- a/src/Aks/Aks/help/New-AzAksCluster.md
+++ b/src/Aks/Aks/help/New-AzAksCluster.md
@@ -24,7 +24,7 @@ New-AzAksCluster [-NodeVmSetType <String>] [-NodeVnetSubnetID <String>] [-NodeMa
  [-NetworkPlugin <String>] [-NetworkPolicy <String>] [-PodCidr <String>] [-ServiceCidr <String>]
  [-DnsServiceIP <String>] [-DockerBridgeCidr <String>] [-NodePoolLabel <Hashtable>]
  [-AksCustomHeader <Hashtable>] [-LoadBalancerSku <String>] [-Force] [-GenerateSshKey] [-EnableNodePublicIp]
- [-NodePublicIPPrefixID <String>] [-ResourceGroupName] <String> [-Name] <String>
+ [-NodePublicIPPrefixID <String>] [-AvailabilityZone <String[]>] [-ResourceGroupName] <String> [-Name] <String>
  [[-ServicePrincipalIdAndSecret] <PSCredential>] [-Location <String>] [-LinuxProfileAdminUserName <String>]
  [-DnsNamePrefix <String>] [-KubernetesVersion <String>] [-NodeName <String>] [-NodeMinCount <Int32>]
  [-NodeMaxCount <Int32>] [-EnableNodeAutoScaling] [-NodeCount <Int32>] [-NodeOsDiskSize <Int32>]
@@ -167,6 +167,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -AvailabilityZone
+Availability zones for cluster. Must use VirtualMachineScaleSets AgentPoolType.
+
+```yaml
+Type: System.String[]
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -DefaultProfile
 The credentials, account, tenant, and subscription used for communication with Azure.