Unqork is a cloud-based platform as a service (PaaS) that allows you to run applications and services without managing middleware or hardware infrastructure directly 

how to know which cloud provider is unqork hosted for client?
Unqork hosts and manages customer environments on Amazon Web Services (AWS) and Microsoft Azure. Customers can choose which cloud provider to deploy on, with AWS being the most reliable and the default region being AWS US East (Ohio) if no preference is specified. You must specify to Unqork which cloud provider and region to use for your deployment ,