Palace n. : The residence of a sovereign, including the lodgings of high officers of state, and rooms for business, as well as halls for ceremony and reception.

Palace n. : The official residence of a bishop or other distinguished personage.

Palace n. : Loosely, any unusually magnificent or stately house.

Example:
How far is the walk between Imperial Palace and Mandalay Bay?

Taxonomy
palaces, Royal Palace, residences, seat of government, India, Portugal, forts, royal residence, official residence, Italy, Palais du Louvre, free encyclopedia, Mexico, Jaipur, palaces of India, palazzo, Jodhpur, city.

Defination from the web:
palace is a grand residence, especially a royal residence or the home of a head of state or some other high-ranking dignitary, such as a bishop ... At the same time Charlemagne was consciously reviving the Roman expression in his "palace" at Aachen, of which only his chapel remains. ...