Oppido Mamertina is a town and comune of the province of Reggio Calabria in Calabria in southern Italy at about 62 kilometres northeast of Reggio Calabria and about 120 kilometres southwest of Catanzaro.
It is the seat of the Diocese of Oppido Mamertina.
The municipality includes the following boroughs: Castellace, Messignadi, Piminoro, and Tresilico.
Wikipedia https://en.wikipedia.org/wiki/Oppido_Mamertina
Coordinates 38°17'36.935" N 15°59'2.902" E