Mantineia was a city in ancient Arcadia, Greece, which was the site of two significant battles in Classical Greek history.
In modern times it is a former municipality in Arcadia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Tripoli, of which it is a municipal unit. Its seat was the village of Nestani. It is located in the northeastern part of Arcadia. The municipal unit has a land area of 205.393 km2 and a population of 1,693 inhabitants. Its largest other towns are Artemisio, Loukas, and Kapsas.
Wikipedia https://en.wikipedia.org/wiki/Mantineia
Address 22150, Greece
Coordinates 37°37'4.723" N 22°23'34.171" E