Istana Nurul Iman
The Istana Nurul Iman palace is the official residence of the Sultan of Brunei located on the banks of the Brunei River. It is the largest residential palace in the world and indeed the world's largest residence. The palace contains 1,788 rooms, 257 bathrooms, and floor area of 200,000 square metres (2,200,000 ft²). The palace is open to the public during the annual Islamic celebration of Hari Raya Aidilfitri.