Pasadur is located in the municipality Lastovo, in Dubrovnik-Neretva County at an elevation of 2 meters above sea level and it covers the area of 7.24 km² (2.80 sq. miles). According to the 2011 census report, there were 102 inhabitants. It is predominantly populated by Croats (95%), but also Serbs (2%). Nearby places: Uble, Zaklopatica, Lastovo, Skrivena Luka, Smokvica, Blato, Čara, Potirna, Vela Luka and Sušac.