Union of Serbia and Montenegro
- a federation consisting of the republics of Serbia and Montenegro, established in 2003 from the former federal republic of Yugoslavia; pop. 10,656, 929 (est. 2002); federal capital, Belgrade.塞尔维亚和黑山联盟（由塞尔维亚和黑山共和国组成的联邦, 建于2003年, 前身为南斯拉夫联邦共和国; 2002年估计人口10,656, 929; 联邦首都为贝尔格莱德）。