Hotel Skala is a good-value stay in the town of Zemun, a five-minute walk from the banks of the Danube river.

BBC: Mini guide to Belgrade, Serbia

Vladimir Milisavljevic was detained in Valencia last February, together with three other alleged members of a feared Serbian criminal gang, Zemun.

BBC: Spain to extradite convicted killer of Serb PM Djindjic

When Milos Simovic shot (but failed to kill) Sretko Kalinic, it turned out that both belonged to Serbia's notorious Zemun gang, which had taken part in the assassination of Zoran Djindjic, the Serbian prime minister, in 2003.

ECONOMIST: Serbian and Croatian police are starting to work together