Kleisoura (Greek: Κλεισούρα, also Βλαχοκλεισούρα, Vlachokleisoúra; Aromanian: Klisoura) is a traditionally Aromanian (Vlach) settlement and a former municipality in Kastoria regional unit, West Macedonia, Greece. Since the 2011 local government reform, it is part of the municipality of Kastoria, of which it is a municipal unit. Population 576 (2001). On 5 May 1944, the German occupation forces executed 216 inhabitants.