World’s Largest Palace : Istana Nurul Iman, Brunei
Guinness World Records currently considers Istana Nurul Iman to hold the title as the “world’s largest palace.”
It was designed by Filipino architect Leandro V. Locsin, who utilized the architectural motif of golden domes and vaulted roofs to echo Brunei’s Islamic and Malay influences. The interior of the palace was designed by Khuan Chew, Design Principal of KCA International, whose other works include the Burj Al Arab in Dubai. Construction was handled by Ayala International, a Filipino construction firm, and completed in 1984 at a total cost of around $1.4 Billion USD.
The palace contains 1,788 rooms, which includes 257 bathrooms, a banquet hall that can be expanded to accommodate up to 5,000 guests, a mosque accommodating 1,500 people.The palace also includes a 110-car garage, an air conditioned stable for the Sultan’s 200 polo ponies, and 5 swimming pools. In total, Istana Nurul Iman contains 2,152,782 square feet (200,000 m²) of floor space.
Because of its massive size, Istana Nurul Iman makes use of 564 chandeliers, 51,000 light bulbs, 44 stairwells, and 18 elevators.