Kilkis

Kilkis
Κιλκίς
The town in winter
Kilkis
Coordinates: 40°59′37″N 22°52′30″E / 40.9937°N 22.875°E / 40.9937; 22.875
CountryGreece
Administrative regionCentral Macedonia
Regional unitKilkis
Government
 • MayorDimitrios Kyriakidis (since 2019)
Area
 • Municipality
1,599.6 km2 (617.6 sq mi)
 • Municipal unit319.8 km2 (123.5 sq mi)
Elevation
280 m (920 ft)
Population
 (2021)
 • Municipality
45,308
 • Density28.325/km2 (73.360/sq mi)
 • Municipal unit
27,493
 • Municipal unit density85.97/km2 (222.7/sq mi)
 • Community
24,130
Time zoneUTC+2 (EET)
 • Summer (DST)UTC+3 (EEST)
Postal code
611 00
Area code23410
Vehicle registrationNI, ΚΙ*
Websitewww.e-kilkis.gr

Kilkis (Greek: Κιλκίς; Bulgarian and Macedonian: Кукуш) is a city in Central Macedonia, Greece. As of 2021, there were 24,130 people living in the city proper, 27,493 people living in the municipal unit, and 45,308 in the municipality of Kilkis. It is also the capital city of the regional unit of Kilkis.

The area of Kilkis, during the 20th century, became several times a war theatre; during the Macedonian Struggle, the Balkan Wars, World War I, World War II, the Greek Resistance and the Greek Civil War.