2 The palace contains a heliport, miniature mosque, recreation centre and a garage for 800 cars.
3 The Sultan is the world's biggest buyer of Rolls-Royce cars.
4 He owns and pilots four Gulfstream IVs, three Airbuses, two Boeing 747s and a 767.
5 The Sandhurst-educated ruler succeeded his father in 1967 with the support of Britain. Brunei obtained independence in 1984.
6 He owns a farm in Darwin, Australia, which has a bigger acreage than Brunei.
7 He also has 200 polo ponies, imported from Argentina with their grooms. The ponies live in air-conditioned stables and fodder is flown in monthly from Australia.
8 The Sultan once hired Rod Stewart to sing at one of his children's parties.
9 He pays for a battalion of Gurkhas as part of his private army.
10 His other troops, the Royal Brunei Malay Regiment, has used pounds 100,000 Exocet missiles in target practice.