Ostrovo ( ) is a village in the urban municipality of Kostolac, which is part of the city of Po arevac, Serbia. According to the 2002 census, the village has a population of 685 people. "Ostrovo" means "island" in Serbian. This name originates from the fact that Ostrovo is located on former Danube island (see: Ostrvo, Kostolac) that historically was part of Banat region. In Serbian, the village is known as Ostrovo ( ), in German as Ostrova, and in Hungarian as Temessziget.