https://www.theregister.co.uk/2018/06/05/microsoft_doubled_azurestacks_footprint/

Microsoft has doubled the number of countries in which its Azure Stack hybrid cloud kit will operate, effectively extending Azure's reach with minimal capital expenditure .

Azure Stack is an in-a-box-and-on-premises Azure subset and was previewed in January 2016 and formally launched in July 2017. As of November 2017 Microsoft offered it in 46 countries(thanks, Wayback).