The Battle of Şarköy or Sarkoy operation (Bulgarian: Битка при Шаркьой, Turkish: Şarköy Çıkarması) took place between 9 and 11 February 1913 during the First Balkan War between Bulgaria and the Ottoman Empire. The Ottomans attempted a counter-attack, but were defeated by the Bulgarians at the Battles of Bulair and Şarköy.