Petra (Greek: Πέτρα meaning rock) is a former municipality on the island of Lesbos, North Aegean, Greece. Since the 2011 local government reform it is part of the municipality Lesbos, of which it is a municipal unit. It is located at the northwest of Lesbos and comprises the villages Petra, Skoutaros, Stypsi, Lafionas, Ypsilometopo and the settlements Petri and Anaxos.
