Mljet is situated on the west dalmatian coast. It is the most western island of all bigger croatian islands. It is situated paralely to penisola of Pelješac, between there’s Mljet channel 8 kms long. Eastwestern end of the island is 18 kms away from island of Korčula while the other, westeastern end 30 kms from Dubrovnik
Mljet is an elongated island, with an average width of 3 km, 37 km long. It is an Island of great diversity and contrast, and "Mljet" National Park covers his northwestern part with an area of 5.375 ha of protected land and surrounding sea.