Ryazan Kremlin, the oldest part of the city of Ryazan, is a Historical and Architectural Museum-Reserve in the open air, and is one of the oldest museums in Russia. Located onthe top of a steep hill, it is surrounded by rivers and a dry moat. This monument of architecture and nature reserve of federal importance is included in the State Register of Especially Valuable Objects of the People of the Russian Federation. The management of this museum is the responsibility of the Federal State Institution of Culture "Ryazan Kremlin"