Belgrade (Beograd), the capital of Serbia is situated in South-Eastern Europe at the confluence of two rivers, the Sava and the Danube. The Old Town, Stari Grad, is the most central and oldest part of Belgrade. Here, high above the town, the imposing Kalemegdan fortress guards the safety of the city since Roman times, destroyed several times by successive waves of invaders, it was rebuilt as a castle by the Byzantines in the 12th century. The Kalemegdan park and the fortress are a popular spot for locals and tourists to relax.
Below the fortress, along the Danube, the Sport Centre 25 May in Dorcol offers a cycle route to Ada Ciganlija Island and cafes, restaurants on the barges called "Splavovi" to enjoy the freetime. Nearby is located the Savsko pristaniste, a tourist port on the banks of the Sava where runs local river cruises and welcoming various river cruise vessels from across Europe.
In the south-west, on the Sava river, Ada Ciganlija Island became the popular multifunctional recreational zone of Belgrade. Notable for its beaches and sport facilities, during the summer season up to 300,000 visitors come to Ada over the weekend. Because of the popularity, for years Ada Ciganlija has been commonly nicknamed "Belgrade Sea".
Along the Danube In Novi Beograd the Zemun Kej, a promenade which extends to Hotel “Jugoslavia”, is packed of playgrounds and discos, cafes, restaurants on the boats and rafts. Also the beer festival is held in the park behind Hotel “Jugoslavia”.
In the opposite side of Zemun Kej, on the Veliko Ratno Ostrvo (Great War Island), there is the famous Lido beach.
Also along the Sava River in Novi Beograd, near Block 70, floating restaurants and clubs are the location for the city nightlife, one of the most exuberant in Europe.