Polykastro

Polykastro
Πολύκαστρο
General view
Polykastro
Location within the regional unit
Coordinates: 41°00′N 22°34′E / 41.000°N 22.567°E / 41.000; 22.567
CountryGreece
Administrative regionCentral Macedonia
Regional unitKilkis
MunicipalityPaionia
Area
  Municipal unit312.7 km2 (120.7 sq mi)
  Community45.8 km2 (17.7 sq mi)
Population
 (2021)
  Municipal unit
11,338
  Municipal unit density36/km2 (94/sq mi)
  Community
6,609
  Community density140/km2 (370/sq mi)
Time zoneUTC+2 (EET)
  Summer (DST)UTC+3 (EEST)
Postal code
612 00
Vehicle registrationΚΙ

Polykastro (Greek: Πολύκαστρο, before 1928 Καρασούλι, Karasoúli;) is a town and a former municipality in Kilkis regional unit of Central Macedonia, Greece. Since the 2011 local government reform it is part of the municipality Paionia, of which it is a municipal unit, and the seat. The municipal unit has an area of 312.717 km2, the municipal unit 45.775 km2. The municipal unit of Polykastro has 12,000 inhabitants, and includes Polykastro and 23 villages. It is built near the Axios River, on the road and railway from Thessaloniki to Belgrade. It was formerly known as Karasuli (Turkish), Mavrosuli or Rugunovec (Macedonian and Bulgarian: Ругуновец).