The Church of the Holy Archangels Michael and Gabriel (Bulgarian: църква „Свети архангели Михаил и Гавраил“, tsarkva „Sveti Arhangeli Mihail i Gavrail“) is a partially preserved medieval Eastern Orthodox church in the eastern Bulgarian town of Nesebar (medieval Mesembria), on the Black Sea coast of Burgas Province. It was built in the 13th or 14th century and forms part of the Ancient Nesebar UNESCO World Heritage Site. A single-nave church with three apses, in the past it was topped by a dome and a bell tower.