The Royal Regalia Building has a profusion of exhibits related to the commemorations of the 25 years of Sultan Hassanal Bolkiah's rule of Brunei. It is located in the heart of the Bandar Seri Begawan, the state capital of Brunei, to the north of Pedang.
The Royal Regalia Building was officially opened on 30 September 1992 by His Majesty Sultan Haji Hassanal Bolkiah Mu'izzaddin Waddaulah, Sultan and Yang Di-Pertuan of Brunei Darussalam.