Old Westbury is a village located in Nassau County, New York, on Long Island. It is known for its affluent residential communities and beautiful landscapes, including large estates and parks. The village is part of the larger Town of North Hempstead and has a rich history dating back to the 17th century. One of the notable landmarks in Old Westbury is the Old Westbury Gardens, a historic estate featuring stunning gardens and a mansion. The village is also home to several private schools and is recognized for its commitment to preserving green spaces and maintaining a suburban atmosphere.