Allowed Region Policy

AllowedRegion.json

{
    "$schema": "http://schema.management.azure.com/schemas/2015-10-01-preview/policyDefinition.json",
    "if": {
        "not": {
            "field": "location",
            "in" : ["australiaeast" , "australiasoutheast"]
        }
    },
    "then": {
     "effect": "deny"   
    }
}