Lesvos belongs to the islands of the Northern Aegean. It is constituted by 3 Islands: Lesvos, Lemnos and Agios Eustratios. The capital city of the island is Mytilene, Its coastline forms two Bays in the south - Geras and Kallonis - and a lot of bights and promontories. The main plains are the plains of Kalloni, Ippeiou, Perama and Eresou.
The most important mountainsare Lepetimnos, Olimpos and Psilokoudouno. There are streams flowing through the fertile plains, among them Tsiknias, Tsixliotas, Milopotamos, Sedountas and Almiropotamos. The Eastern and central part of the island is cloaked in olive groves, pines, firs, planetrees, chestnuts, beeches and plane trees. Generally the flora and fauna of the island are extremely rich.