In anticipation of the Ottoman Empire counter-offensive, the Bulgarian command on December 14, 1912, formed this army consisting of the following: Second Infantry Thracian Division, Seventh Infantry Rila Division, the Macedonian-Adrian Army and the Third Airborne Division. The commander of the army was General Stiliyan Kovachev. It reflected the Turkish attack on Bulair and the landing at Şarköy in 1913.