Balkan Wars From Wikipedia, the free encyclopedia For the articles examining each war individually, see First Balkan War and Second Balkan War. For the 1990s conflicts in the region, see Yugoslav Wars. Balkan Wars Date 8 October 1912 – 18 July 1913 (9 months, 1 week and 3 days) Location Adrianople Scutari Kosovo Manastir Salonica provinces Aegean Islands Aegean Sea[1] Res..