Kremlin
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) The citadel of a town or city; especially, the citadel of Moscow, a large inclosure which contains imperial palaces, cathedrals, churches, an arsenal, etc.
The Nuttall Encyclopedia [2]
Gigantic pile of buildings in Moscow of all styles of architecture;, including palaces, cathedrals, museums, government offices; founded by Ivan III. in 1485.