Mantinea
| Mantineia Μαντίνεια | |
|---|---|
| Coordinates: 37°37′3.51″N 22°23′34.33″E / 37.6176417°N 22.3928694°E | |
| Country | Greece | 
| Administrative region | Peloponnese | 
| Regional unit | Arcadia | 
| Municipality | Tripoli | 
| Area | |
| • Municipal unit | 205.393 km2 (79.303 sq mi) | 
| Elevation | 600 m (2,000 ft) | 
| Population  (2021) | |
| • Municipal unit | 1,693 | 
| • Municipal unit density | 8.2/km2 (21/sq mi) | 
| Time zone | UTC+2 (EET) | 
| • Summer (DST) | UTC+3 (EEST) | 
| Postal code | 220 05 | 
| Area code(s) | 2710 | 
| Vehicle registration | TP | 
Mantinea (/ˌmæntəˈniːə/; Greek: Μαντίνεια Mantineia; also Koine Greek Ἀντιγόνεια Antigoneia) 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 (pop. 486 in 2011). 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 (2021). Its largest other towns are Artemisio, Loukas, and Kapsas.