Rye is a coastal city in Westchester County, New York, United States, located near New York City and within the New York City metropolitan area. It is separate from the Town of Rye, which has more land area than the city. The City of Rye, formerly the Village of Rye, was part of the Town until it received its charter as a city in 1942, making it the youngest city in the State of New York. Its population density for its 5.85 square miles of land is roughly 2,729.76/sq mi.

Westchester County is located in the U.S. state of New York. It is the seventh most populous county in the State of New York and the most populous north of New York City. According to the 2020 United States Census, the county had a population of 1,004,456, its highest decennial count ever and an increase of 55,344 (5.8%) from the 949,113 counted in 2010. Westchester covers an area of 450 square miles (1,200 km2), consisting of six cities, 19 towns, and 23 villages. Established in 1683, Westchester was named after the city of Chester, England. The county seat is the city of White Plains, while the most populous municipality in the county is the city of Yonkers, with 211,569 residents per the 2020 census. The county is part of the Hudson Valley region of the state.