Azure Availability Zones

Today Azure team has announced the Azure availability Zone preview for the selected Azure regions. By enabling availability zone costumes can build highly available applications. Availability Zones increase Azure’s resiliency capabilities and broaden options for customers to choose the business continuity solution that is right for their organization. For this preview its only available in two regions, East US 2 in Virginia and West Europe in the Netherlands.

we can enable preview by following link

After enable preview feature