Kilkis (regional unit) 2.71

Kilkis is one of the regional units of Greece. It is part of the region of Central Macedonia. Its capital is the city of Kilkis.GeographyThe geography of the regional unit of Kilkis is characterized by the wide and flat Axios river valley in the westcentral part, and mountain ranges on its western and northeastern edges. The mountain range in the west, on the border with Pella regional unit, is Mount Paiko (highest peak 1650m). In the north, the Kerkini range straddles the border with the Republic of Macedonia. At 1874m the highest peak in Kilkis regional unit is located here. The border with Serres regional unit to the northeast is formed by the lower Kroussia range (highest peak 1179m). Lake Doirani is situated in the north, shared with the Republic of Macedonia. Kilkis borders the Thessaloniki regional unit to the south.The climate of the Kilkis regional unit is humid continental in the north, and humid subtropical in the lower regions.