Oleksandrivsk is situated along the Luhan River, primarily on its left bank. Its neighboring settlements include the town of Teplychne and the city of Luhansk (downstream along the Luhan) to the east, the settlements of Zrazkove and Katerynivka to the south, the villages of Haiove to the southwest, Sabivka, Hovorukha, and Novoselivka (all three upstream along the Luhanka) to the west, Zhovte, Kruta Hora to the northwest, Zemliane, Shyshkove, and the settlement of Metalist to the northeast.
