Fieldston is a privately owned affluent neighborhood in the Riverdale section of the northwestern part of the New York City borough of the Bronx. It is bounded by Manhattan College Parkway to the south, Henry Hudson Parkway to the west, 250th Street to the north, and Broadway to the east. It is noted for its rural atmosphere, large houses and abundance of trees. The majority of the neighborhood is included in the Fieldston Historic District, designated by the New York City Landmarks Preservation Commission in 2006.