Brotnice is located in the municipality Konavle, in Dubrovnik-Neretva County at an elevation of 420 meters above sea level and it covers the area of 4.24 km² (1.64 sq. miles). According to the 2011 census report, there were 30 inhabitants. It is entirely populated by Croats. Nearby places: Stravča, Šilješki, Gabrili, Jasenice, Drvenik, Uskoplje, Duba Konavoska, Mihanići, Zvekovica and Čilipi.