Yernes y Tameza is a municipality in the
Autonomous Community of the
Principality of Asturias, Spain. It is situated in the east-central zone of the principality, between mountains high along the
Cubia River. It is bordered on the west, north, and northeast by
Grado, on the southeast by
Proaza, and on the south by
Teverga. The municipality has an abrupt topography, most notable in the peak Caldoveiru (1,357 m) and the Tameza River, which crosses the municipality from south to north.