Summary: Use Windows PowerShell to get a current list of regions in Azure.

 How can I use Windows PowerShell to show me a list of the regions in Microsoft Azure?

 Use the Get-AzureLocation cmdlet to output the list to your screen, then you can filter with
           the DisplayName parameter. This example lists all of the U.S. regions:

Get-AzureLocation | Where { $_.Displayname –match 'US' } | Format-Table