Note: This term may have other meanings in other contexts. Here, we are defining it in the context of a distributed database.
A region is a specific geographical location where you can host your resources. Each region has one or more zones; most regions have three or more zones. For example, US-West is the West Coast of the US. US-East is the East Coast. For example, public cloud providers often allow you to choose the region or regions you’d like to deploy to.