Regio
From Wikipedia, the free encyclopedia
This entry is about the extraterrestrial geological feature. For Regio as quartier of ancient Rome see 14 regions of the Augustan Rome.
Regio (pl. regiones) is the Latin word for 'region.' It is used in planetary geology to refer to large areas of a planet or moon that are strongly differentiated in colour or albedo. It is also used in anatomy to describe certain areas on the body.