A regional cluster increases availability of the cluster's control plane and workloads during cluster upgrades, automated maintenance, or a zonal disruption.
To create a regional cluster, perform the following steps.
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Visit the Google Kubernetes Engine menu in the GCP Console. 
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Click Create cluster. 
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Choose the Highly Available cluster template. 
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Choose the version of the cluster by selecting one of the following: 
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Choose the release channel the cluster is enrolled in. Your cluster and node pools will be auto-upgraded within that channel. 
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Choose a specific GKE version. Auto-upgrade is enabled by default, and your cluster and its node pools will be auto-upgraded when its current version is selected for auto-upgrade. 
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Choose the default version. Auto-upgrade is enabled by default, and your cluster and its node pools will be auto-upgraded when its current version is selected for auto-upgrade. 
 Using release channels is recommended. If you must specify a version, leaving auto-upgrade enabled is recommended. 
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Verify that under Location type, Regional is selected. 
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From the Region drop-down menu, select the desired region, such as us-central1. 
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Configure your cluster as desired, then click Create. 
Hope it helps!!
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