Kartsakhi Lake (Georgian: კარწახის ტბა, karts'akhis tba), or Lake Khozapini (Georgian: , khozap'inis tba; Turkish: Hazapin Gölü), or Lake Aktaş (), is a soda lake in the Caucasus Mountains. It sits on the international border between Georgia (53%) and Turkey (47%). The village of Kartsakhi lies near lake northeastern bank.