Brookline is a town in Norfolk County, Massachusetts, United States, and part of the Boston metropolitan area. An exclave of Norfolk County, Brookline borders six of the City of Boston's neighborhoods: Brighton, Allston, Fenway–Kenmore, Mission Hill, Jamaica Plain, and West Roxbury. The city of Newton borders Brookline to the west. It is known for being the birthplace of U.S. President John F. Kennedy and Conan O'Brien.