Bozcaada, also known as Tenedos, is an island located in the northeastern part of the Aegean Sea in Turkey. Administratively, it serves as the Bozcaada district within the Çanakkale Province. Covering an area of 39.9 km2 (15 sq mi), it ranks as the third-largest Turkish island, following Imbros (Gökçeada) and Marmara.
The island's primary industries include tourism, fishing, and wine production. It has been recognized for centuries for its grapes, wines, and red poppies. Historically, the island served as a former bishopric and currently functions as a Latin Catholic titular see. As of 2022, the district had a population of 3,120 inhabitants.