Platanias (Greek: Πλατανιάς) is a village and municipality on the Greek island of Crete. It is located about 10 km (6.2 mi) west from the city of Chania and east of Kastelli-Kissamos, on Chania Bay. The seat of the municipality is the village Gerani. Platanias is a popular tourism village with a beach, several hotels, restaurants and souvenir shops. Not far from the coast is the island of Agioi Theodoroi.
It lies within the Chania regional unit and is numbered 6 on the map of the Chania region. It is on the north coast, forming the eastern shore of Kissamos Bay (Kolpos Kissamou Kόλπος Κισσάμου), and the west and south shores of Chania Bay (Kolpos Chanion Κόλπος Χανίων). It is bordered by Kissamos (5) to the west, Kantanos-Selino (4) to the south, Chania (1) to the east, and Sfakia (7) in the southeast. Its northeast region is the Rodopos Peninsula (Chersonisos Rodopou Χερσόνησος Ροδωπού).