Sunnyside (1835) is an historic house on 10 acres along the Hudson River, in Tarrytown, New York. It was the home of the American author Washington Irving, best known for his short stories, such as "Rip Van Winkle" (1819) and "The Legend of Sleepy Hollow" (1820).

Tarrytown is a village in the town of Greenburgh in Westchester County, New York. It is located on the eastern bank of the Hudson River, approximately 25 miles (40 km) north of Midtown Manhattan in New York City, and is served by a stop on the Metro-North Hudson Line. To the north of Tarrytown is the village of Sleepy Hollow, to the south the village of Irvington and to the east unincorporated parts of Greenburgh. The Tappan Zee Bridge crosses the Hudson at Tarrytown, carrying the New York State Thruway to South Nyack, Rockland County and points in Upstate New York. The population was 11,860 at the 2020 census.