The Department of City Planning is a governmental agency of New York City responsible for setting the framework of city's physical an socioeconomic planning. The department is responsible for land use and environmental review, preparing plans and policies, and providing information to and advising the Mayor of New York City, Borough presidents, the New York City Council, Community Boards and other local government bodies on issues relating to the macro-scale development of the city. The Department is responsible for changes in the City Map, purchase and sale of city-owned real estate and office space and of the designation of landmark and historic district status.