▁front ▁stabil ized ▁on ▁the ▁Greek ▁- ▁Mac ed onian ▁Border . ▁ ▁Com position ▁October ▁ 1 9 1 5 ▁▁▁ ▁Ele vent h ▁Army ▁( Max ▁von ▁Gall witz ) ▁▁▁ ▁First ▁Army ▁( K l iment ▁Boy ad zh iev ) ▁▁ ▁Third ▁Army ▁( H ermann ▁Kö v ess ▁von ▁Kö v ess há za ) ▁▁ ▁The ▁Bulgar ian ▁Second ▁Army ▁under ▁( Ge org i ▁Tod or ov ), ▁also ▁participated ▁in ▁the ▁invasion , ▁but ▁remained ▁under ▁the ▁direct ▁control ▁of ▁the ▁Bulgar ian ▁high ▁command . ▁▁ 1 9 1 6 – 1 9 1 8 ▁▁ ▁On ▁ 3 0 ▁July ▁ 1 9 1 6 , ▁Field ▁Marsh al ▁Mack ensen ▁left ▁for ▁the ▁Roman ian ▁Front ▁and ▁the ▁Army ▁Group ▁was ▁tempor arily ▁commanded ▁by ▁the ▁Bulgar ian ▁High ▁Command . ▁▁ ▁On ▁ 1 1 ▁October ▁ 1 9 1 6 , ▁Otto ▁von ▁Below ▁became ▁the ▁new ▁commander ▁and ▁the ▁Army ▁Group ▁was ▁renamed ▁Army ▁Group ▁Below ▁( G erman : ▁He eres gruppe ▁Below ). ▁On ▁ 2 3 ▁April ▁ 1 9 1 7 , ▁von ▁Below ▁was ▁replaced ▁by ▁Friedrich ▁von ▁Sch olt z , ▁and ▁the ▁Army ▁Group ▁was ▁again ▁renamed ▁Army ▁Group ▁Sch olt z ▁( G erman : ▁He eres gruppe ▁Sch olt z ). ▁ ▁Com position ▁ 1 9 1 6 ▁- ▁ 1 9 1 8 ▁▁ ▁German ▁Ele vent h ▁Army ▁( Ar n old ▁von ▁Win ck ler ,