As such, its command was handed over to General Maximilian von Weichs' 2nd Army, which was invading Yugoslavia from the north.
[2] The forces available to face the expected German attack in Macedonia were mostly newly formed divisions manned with reservists, lacking heavy weapons and equipment.
Consequently, the Greek forces in Macedonia were divided in two major groupings, which fought separate battles.
The Eastern Macedonia Army Section (Τμήμα Στρατιάς Ανατολικής Μακεδονίας, ΤΣΑΜ) under Lt. Gen. Konstantinos Bakopoulos covered the pre-war fortifications of the Metaxas Line, between Mount Beles and the Nestos river.
[3] The Central Macedonia Army Section (Τμήμα Στρατιάς Κεντρικής Μακεδονίας, ΤΣΚΜ) under Lt. Gen. Ioannis Kotoulas was assigned to the 'W' Force in holding the Vermion Mountains–Haliacmon line:[5] In total, the Greek forces facing the Germans numbered 65,110 men, only about half of whom were combat-worthy.