* Area: 240,000 square meters (2,583,333 square feet)
* Rooms: 2,600
* Built: 13th century
* Former Imperial Palace of the Habsburg dynasty
* Now houses the Austrian President, museums, and other institutions
2. Buckingham Palace, London, United Kingdom
* Area: 77,000 square meters (828,818 square feet)
* Rooms: 775
* Built: 1703
* Official residence of the British monarch
* State rooms used for official ceremonies and entertaining guests
3. Palace of Versailles, Versailles, France
* Area: 67,000 square meters (721,181 square feet)
* Rooms: 2,300
* Built: 17th century
* Former royal palace of France
* Now a museum and UNESCO World Heritage Site
4. Grand Kremlin Palace, Moscow, Russia
* Area: 60,000 square meters (645,835 square feet)
* Rooms: 750
* Built: 15th-17th centuries
* Former residence of the Russian tsars
* Now houses the Russian President, museums, and other institutions
5. Royal Palace of Madrid, Madrid, Spain
* Area: 45,000 square meters (484,376 square feet)
* Rooms: 3,500
* Built: 18th century
* Official residence of the Spanish monarch
* State rooms used for official ceremonies and entertaining guests