Šterna is located in the municipality Grožnjan, in Istra County at an elevation of 295 meters above sea level and it covers the area of 13.35 km² (5.15 sq. miles). According to the 2011 census report, there were 75 inhabitants. It is mostly populated by Croats (51%), but also Italians (48%). Nearby places: Čepić, Makovci, Sveti Ivan, Kuberton, Sveta Lucija, Vižintini Vrhi, Vrnjak, Šorgi, Oprtalj and Završje.