The Eastern Army of the Ottoman Empire (Turkish: Şark Ordusu) was one of the field armies of the Ottoman Army. It was formed during the mobilization phase of the First Balkan War. It confronted Bulgarian forces. On October 29, 1912, it was reorganized and renamed as the First Eastern Army (Birinci Şark Ordusu).

Eastern Army

Order of Battle, October 17, 1912 On October 17, 1912, the army was structured as follows:Edward J. Erickson, Defeat in Detail, The Ottoman Army in the Balkans, 1912–1913, Westport, Praeger, 2003, p. 83.

Eastern Army HQ (Kavaklı, commander: Ferik Kölemen Abdullah Pasha, chief of staff: Miralay Djevat Bey) I Corps II Corps III Corps (commanded by Mirliva Mahmud Muhtar Pasha) IV Provisional Corps (commanded by Ferik Ahmed Abuk Pasha) VII Provisional Corps Adrianople Fortified Area Command (commanded by Ferik Mehmed Shukur Pasha) Kırcaali Detachment

First Eastern Army On October 29, 1912, the army was structured as follows:

First Eastern Army HQ: Ferik Ahmed Abuk Pasha I Corps II Corps IV Provisional Corps Independent Cavalry Division

Sources