Designed by Filipino architect Leandro V. Locsin, the palace is spread over an area of 200,000 square metres. The palace has 1,788 rooms and 257 bathrooms. The garage can hold 110 cars and around 200 polo ponies are kept in an air-conditioned stable. Its banquet hall is meant for 5,000 guests. At the time of its completion in 1984, the palace cost around US$1.4 billion. The Sultan, who has been ruling the Southeast Asian country as an absolute monarch, is the longest reigning ruler after Queen Elizabeth II.
