Ostrvo or Ostrovo was the largest Serbia

Serbia

Serbia , officially the Republic of Serbia , is a landlocked country located at the crossroads of Central and Southeast Europe, covering the southern part of the Carpathian basin and the central part of the Balkans...

n river island

River Island

River Island is one of Britain's best known high street fashion brands and can be found in most cities across the UK. The brand also has stores in Singapore, Turkey, Poland, Ireland, the Netherlands, and the Middle East.-History:...

 on the Danube

Danube

The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

, with an area of 60 km² (23.2 sq mi). It is 20 kilometres (12.4 mi) in length and 3 kilometres (1.9 mi) in width. Today it is no longer an island but peninsula

Peninsula

A peninsula is a piece of land that is bordered by water on three sides but connected to mainland. In many Germanic and Celtic languages and also in Baltic, Slavic and Hungarian, peninsulas are called "half-islands"....

, which is connected to the southern bank of the Danube. Ostrvo lies east of Belgrade

Belgrade

Belgrade is the capital and largest city of Serbia. It is located at the confluence of the Sava and Danube rivers, where the Pannonian Plain meets the Balkans. According to official results of Census 2011, the city has a population of 1,639,121. It is one of the 15 largest cities in Europe...

, near Kostolac

Kostolac

Kostolac is a small Serbian town on the Danube river in the Braničevo District. The remains of the Roman capital of the province of Moesia Superior Viminacium are located near Stari Kostolac some 2 km to the east of Kostolac. Kostolac is situated in the municipality of Požarevac...

, and is heavily forested. It has given its name to a village of Ostrovo in Kostolac municipality.

The southern arm of Danube around Ostrvo is called Dunavac.