The community consists of the villages Plagia, Koromilia and Agia Kyriaki.

The village is located 15 km north of Kilkis in the Thessaloniki plain.

[a] The highest point nearby is 438 metres above sea level, 1.5 km east of Plagia.

[3] The nearest major community is Kilkis , 12.6 km south of Plagia.

The warmest month is August, when the average temperature is 28 °C, and the coldest is December, with 2 °C.