| Lagadia | |
| Name Local: | Λαγκάδια |
| Type: | municipal unit |
| Periph: | Peloponnese |
| Periphunit: | Arcadia |
| Municipality: | Gortynia |
| Pop Municunit: | 490 |
| Pop Community: | 394 |
| Population As Of: | 2021 |
| Area Municunit: | 79.48 |
| Elevation: | 976 |
| Coordinates: | 37.6833°N 24°W |
| Postal Code: | 220 03 |
| Area Code: | 27950 |
| Licence: | TP |
Lagadia (Greek, Modern (1453-);: Λαγκάδια) is a mountain village and a former municipality in Arcadia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Gortynia, of which it is a municipal unit.[1] The municipal unit has an area of 79.475 km2.[2] The seat of the municipality was the village Lagadia. It is considered a traditional settlement and is situated on a mountain slope, at about 1000 m elevation. It is 5 km east of Lefkochori, 10 km north of Dimitsana and 36 km northwest of Tripoli. The Greek National Road 74 (Pyrgos - Olympia - Tripoli) passes through the village.
The village has a school, a church, a post office, and a square. Kanellos Deligiannis and his brother Dimitrakis Deligiannis, two of the many heroes of the Greek War of Independence against the Turks in 1821, were born here.
The municipal unit Langadia is subdivided into the following communities (constituent villages in brackets):
Lagadia is located in central Peloponnese and has a Mediterranean climate with hot and dry summers and milder winters.[3]