Kosti (Bulgarian: Кости, stressed on the last syllable, formerly Greek: Κωστί - Kosti) is a village in southeastern Bulgaria, part of Tsarevo Municipality, Burgas Province. It is located on the banks of the Veleka River in the Strandzha mountains not far from the Turkish border, 20-25 kilometres south of Tsarevo and 91 km southeast of Burgas. As of June 2008, it has a population of 320^[1] and the mayor is Iliya Yazov.