比尔古（马耳他语: Città Vittoriosa 或 Birgu, 意大利语: Città Vittoriosa 或 Vittoriosa），又名维洛里奥萨，马耳他东部的一个古城，位于瓦莱塔南面的小半岛上，濒临大港，人口2633（2008年）。维洛里奥萨与科斯皮夸和森格莱阿组成中世纪马耳他著名的三镇。1530年成为圣约翰骑士团在马耳他岛上的第一处驻地。在1565年的马耳他围城战中，为骑士团抵御奥斯曼土耳其人的入侵的重要据点，得胜后改名，1570年以前一直为都城。

Birgu (Maltese:Il-Birgu [ɪlˈbɪrɡʊ], Italian:Vittoriosa), also known by its title Città Vittoriosa, is an old fortified city on the south side of the Grand Harbour in the South Eastern Region of Malta. The city occupies a promontory of land with Fort Saint Angelo at its head and the city of Cospicua at its base. Birgu is ideally situated for safe anchorage, and over time it has developed a very long history with maritime, mercantile and military activities.