Tinca (Hungarian: Tenke) is a commune in the south-central part of Bihor County, Transylvania, Romania. It is composed of five villages: Belfir (Bélfenyér), Gurbediu (Tenkegörbed), Girişu Negru (Feketegyörös), Râpa (Körösmart) and Tinca.It was first mentioned as a village in a Papal document in 1338.It is known locally for its magnesium and calcium-rich mineral water springs.