{
    "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "accountName": {
            "type": "string",
            "metadata": {
                "description": "The name of the Data Lake Store account to create."
            }
        },
        "location": {
            "type": "string",
            "allowedValues": [
                "East US 2",
                "Central US",
                "North Europe"
            ],
            "defaultValue": "East US 2",
            "metadata": {
                "description": "The location in which to create the Data Lake Store account."
            }
        }
    },
    "resources": [
        {
            "type": "Microsoft.DataLakeStore/accounts",
            "name": "[parameters('accountName')]",
            "location": "[parameters('location')]",
            "apiVersion": "2016-11-01",
            "properties": {
                "newTier": "Consumption",
                "encryptionState": "Disabled"
            }
        }
    ]
}

{
    "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "accountName": {
            "type": "string",
            "metadata": {
                "description": "The name of the Data Lake Store account to create."
            }
        },
        "location": {
            "type": "string",
            "allowedValues": [
                "East US 2",
                "Central US",
                "North Europe",
                "West Europe"
            ],
            "defaultValue": "East US 2",
            "metadata": {
                "description": "The location in which to create the Data Lake Store account."
            }
        }
    },
    "resources": [
        {
            "type": "Microsoft.DataLakeStore/accounts",
            "name": "[parameters('accountName')]",
            "location": "[parameters('location')]",
            "apiVersion": "2016-11-01",
            "properties": {
                "newTier": "Consumption",
                "encryptionState": "Disabled"
            }
        }
    ]
}

Update valid Azure Regions - Adding West Europe
Update valid Azure Regions - Adding West Europe