Česvinica is located in the municipality Ston, in Dubrovnik-Neretva County at an elevation of 58 meters above sea level and it covers the area of 5.44 km² (2.10 sq. miles). According to the 2011 census report, there were 60 inhabitants. It is entirely populated by Croats. Nearby places: Luka, Hodilje, Ston, Mali Ston, Metohija, Duba Stonska, Boljenovići, Sparagovići, Štedrica and Broce.