Podstražje is located in the City of Vis, in Split-Dalmatia County at an elevation of 170 meters above sea level and it covers the area of 5.84 km² (2.25 sq. miles). According to the 2011 census report, there were 40 inhabitants. It is predominantly populated by Croats (96%), but also. Nearby places: Rukavac, Milna, Podselje, Plisko Polje, Marinje Zemlje, Vis, Dračevo Polje, Rogačić, Duboka and Žena Glava.