Tertenia
Tertenia is a comune in the Province of Ogliastra in the Italian region Sardinia, located about northeast of Cagliari and about south of Tortolì.
Tertenia borders the following municipalities: Cardedu, Gairo, Jerzu, Lanusei, Loceri, Osini, Ulassai.
It is located in a high valley at the base of Mt. Arbu and Mt. Ferru, along the Rio Quirra river.