Protecting Virtual Machines From Azure : Replication From a Protected Site Microsoft Azure to a Recovery Site Microsoft Azure
  
Replication From a Protected Site Microsoft Azure to a Recovery Site Microsoft Azure
You can protect Azure virtual machines by replicating within Azure. The paired ZCA sites can share regions. Each ZCA requires a separate storage account.
See also:
Requirements for Microsoft Azure Environments
VPGs Recovering to Azure Standard Storage and Premium Managed Disks
Converting Premium Virtual Machines for Protection
Protecting From a Microsoft Azure Site - To a Microsoft Azure Recovery Site