4^th Bulgarian Army at Bulair front

4^th Army Commander : MG. Stiliyan Kovachev (from 2^nd Trakiyska Division) Chief of the General Staff : Col. Bozhko Ikonomov (from 4^th Preslavska Division) Chief of the Operations Section : Maj. Hristo Lefterov Chief of the Artillery : Col. Hristo Kushev(from 2^nd Army) Chief of the Engineers : Lt.Col. Ivan Vasilev Chief of the Field Medical Unit : Med.Col. Yokim Tranev (from 4^th Preslavska Division) Intendant : Lt.Col. Ivan Valkov (from 2^nd Trakiyska Division)
2^nd Trakiyska Division	Col. Dimitar Geshov 1^st Inf. Brigade : Col. Vladimir Serafimov 9^th Plovdivski IR. (4), 21^st Srednogorski IR. (4) 3^rd Inf. Brigade : Col. Georgi Mitov 27^th Chepinski IR.(3 ¾), 39^th IR. (2 ½) 3^rd Art. Rgt. (6 QF Bts.) 2^nd div. / 3^rd Mnt. Art. Rgt. (2 QF Bts.) 3^rd div. / 3^rd Mnt. Art. Rgt. (2 QF Bts.) 2^nd Pioneers Battalion Attached : 1^st / 19^th and 2^nd / 19^th Repl. Cp.
7^th Rilska Division	MG. Georgi Todorov 1^st Inf. Brigade : Col. Todor Mitov 13^th Rilski IR. (4), 22^ndTrakiyski IR. (4), 26^th Pernishki IR. (4) 3^rd Inf. Brigade : MG. Spas Georgiev 49^th IR. (4), 50^th IR. (4) 7^th Art. Rgt. (9 QF Bts.) 9^th not QF Art. Rgt. (5 not QF Bts.) 2^nd Mnt. Art. Rgt. (5 QF Bts.) 7^th Pioneers Battalion Attached : 1^st / 5^th Cav. Sq. 23^rd Opalchenie Bn. At Rodosto Opalchenie Battalion of the “Slivinitza” Volunteers Command
Cavalry Division	MG. Atanas Nazlamov 1^st Cav. Brigade : Col. Petar Salabashev 1^st (4), 2^nd (4), 4^th (2), 7^th (3) Cav. Rgt. Mixed Cav. Brigade : Col. Aleksandar Tanev 3^rd (4), 6^th (3) Cav. Rgt.; 2 Turkish MGs.
2^nd / 2^nd Inf. Brigade	Col. Ivan Tzekov 28^th Stremski IR.(4), 40^th IR. (4) 2^nd / 3^rd Art. div. (3 Bts.) 1^st section / 3^rd 150mm How. Bty. / Shumenski fortress Bn. (2 howitzers)
Macedono-Odrinsko Opalchenie	MG. Nikola Genev 1^st Brigade : Lt.Col. Stefan Nikolov 1^st Debarska, 2^nd Skopska, 3^rd Solunska, 4^th Bitolska Bns. 2^nd Brigade : Lt.Col. Anton Pchelarov 5^th Odrinska, 6^th Ohriska, 7^th Kumanovska, 8^th Kosturska Bns. 3^rd Brigade : Lt.Col. Aleksandr Protogerov 9^th Veleshka, 10^th Prilepska, 11^th Serska, 12^th Lozengradska Bns. 2^nd / 2^nd Mnt. Art. div. (4 QF Bts.), 4^th / 2^nd Mnt. Art. div. (3 not QF Bts.) Attached : half Sq. / 3^rd Cav. Rgt. half Sq. / 6^th Cav. Rgt.
Army Troops	9^th Cav. Rgt. (3) : Col. Konstantin Mihaylov 4^th Army Telegraph Half-company 4^th Army Cyclist Unit (detached from 1^st Army Cyclist Half-company) 4^th Army Engineer Park Searchlights unit (2 – 60cm searchlights) 3^rd Aeroplane Unit : 1 plane, 2 pilots, 2 observers (at Balabanchik)
on 14 March 1913, after the capture of Odrin, 2^nd Army sent 2 – 150mm L/30 Krupp guns, 4 – 150mm L/12 Schneider howitzers, 4 – 120mm Schneider QF field howitzers
58 ¾ Battalions, 21 Squadrons, 39 Batteries 1187 officers, 134 clerks, 92 068 men, 25276 horses, 1362 oxen, 2844 wagons and carts, 797 packs 61 885 rifles and sabres, 62 MGs, 172 guns
Remarks: 14^th Makedonski Regiment and 7^th not QF. Art. Rgt. were in Salonika 27^th Chepinski IR. : 1 Cpy. was at Pavlovo 39^th IR. : 4^th Bn., 1^st and 6^th Cps. were in Macedonia (Seres – 2 Cps., Drama, Kavala, Buk, Ksanti – 1 Cpy. each) 5^th Cav. Rgt. : 2^nd and 3^rd Sqs. were in Seres