Ada Međica (Serbian Cyrillic: Ада Међица) is a river island and an urban neighborhood of Belgrade, the capital of Serbia.

[5] He was criticized originally, but in time got praises for being an "urban Robinson [Crusoe]" while his idea was labeled as rebellious and escapist.

[6] Already in 1963 the care of the island has been entrusted by the municipal government to the “Society of the Sava and Danube Devotees” for 99 years, as ordered by the decision of the Supreme Court of Yugoslavia.

[10] When a 3 km (1.9 mi) long international swimming marathon "Ada Međica" was organized in July 2016, a non-exploded, 50 kg (110 lb) heavy World War II bomb was discovered near the island's tip, at the depth of 11 m (36 ft).

[12] By 2021, the number of races further diversified, the competition became international and the points for the "SRB Open Water Cup" have been awarded.

[13] One of the local communities which constitute the neighborhood of Blokovi of Novi Beograd was named Ada Međica in the 1990s, with a population of 5,012 in 1991[14] and 4,636 in 2002.

[9] Other birds which can be found on the island include blue tits, woodpeckers, pheasants, collared doves, herons, jays and hen harriers.

Water was conducted through the pipe on the Sava river bed and a mini-waterworks with five taps was built on the island.