Sreser is located in the municipality Janjina, in Dubrovnik-Neretva County at an elevation of 5 meters above sea level and it covers the area of 6.42 km² (2.48 sq. miles). According to the 2011 census report, there were 194 inhabitants. It is predominantly populated by Croats (96%), but also Serbs (4%). Nearby places: Drače, Janjina, Osobjava, Popova Luka, Trstenik, Duba, Kremena, Pijavičino, Žuljana and Otok.