Tertenia is a comune in the Province of Nuoro in the Italian region Sardinia, located about 70 kilometres northeast of Cagliari and about 25 kilometres 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.
Wikipedia https://en.wikipedia.org/wiki/Tertenia
Official Website http://www.comunetertenia.it/
Coordinates 39°41'48.324" N 9°34'39.662" E
