The capture of Kleisoura was a notable achievement for the Greek army amid the challenges posed by the Axis powers, particularly from Germany and Italy. Following the German invasion of Greece in April 1941, the Greek forces engaged in fierce battles to maintain sovereignty over their territory. The town of Kleisoura, located in the northwestern part of Greece, became a key position due to its strategic location near the main road leading to the town of Florina and the border with Albania. Gaining control of Kleisoura was essential for the Greek army to protect supply routes and counter Axis advances in the region. The battle for Kleisoura involved well-planned maneuvers by Greek military leaders, who capitalized on their knowledge of the rugged terrain and supported by local guerrilla fighters who contributed to the resistance efforts against occupying forces. The operation culminated successfully on October 1, when Greek forces overran the Axis positions in the town, allowing them to re-establish control in the area, albeit temporarily.