Cherso (Greek: Χέρσο) is a village and a former municipality in the Kilkis regional unit, Greece. Since the 2011 local government reform it is part of the municipality Kilkis, of which it is a municipal unit. Population 4,482 (2001). In the municipal unit of Cherso lies the historical village of Kalindria. Kalindria was found by Paeonians in 3rd millennium BC and it is inhabited until today. In the Macedonian Struggle, people of Kalindria fought hard against Bulgarians and Turkish authorities and it was one of the main centres of Greek resistance in the Kilkis area.