Since the handover ceremony of Hong Kong in 1997, the garrison in Brunei is one of the remaining British military bases in the Far East, along with Singapore (and one of six East of Suez, along with Diego Garcia, HMS Juffair, UK Joint Logistics Support Base (UKJLSB), Sembawang Base in Singapore, and the Omani-British Joint Training Area).

The BFB garrison came about in 1963, when British troops were moved there from Singapore to quell the 1962 Brunei revolt against Sultan Omar Ali Saifuddien III in December 1962.

[1] From there, British forces have been involved in several conflicts, including helping to quell the Brunei Revolt of 1962 and the Indonesia–Malaysia confrontation.

Since Brunei's independence in 1984, forces have been stationed there at the request of the current Sultan, in a renewable agreement lasting five years at a time.

[7][8] British Forces Brunei is located at Medicina Lines and Tuker Lines near the oil town of Seria in Belait District, and is centred on a light infantry battalion, which will be one of the two battalions of the Royal Gurkha Rifles.