Brunei (Southeast Asia) : Sultanate. Sultan Bulkiah was the world's richest person for many years. In 16 th c, Brunei ruled over the whole Borneo and parts of the Philippines.

Brussels (Belgium) : Capital. HQ of EU and NATO.

Budpest (Hungary) : Capital created in 1873 by merging the towns of Buda and Pest, on the two sides of the Danube.