Green Brook Township is a suburban community in Somerset County, New Jersey, located in the central Raritan Valley at the foot of the Watchung Mountains. Incorporated in 1926, it is a compact township of roughly 4.6 square miles and about 7,200 residents, positioned between the commercial energy of U.S. Route 22 and the wooded ridges that rise along its northern edge. The township's geography has shaped its history and character. The first Watchung Mountain ridge runs through Green Brook, and Washington Rock State Park preserves a rocky lookout where General George Washington is said to have observed British troop movements during the Revolutionary War. The ridge also gives the community a scenic, partly wooded backdrop that sets it apart from flatter Raritan Valley towns to the south. Transportation defines much of Green Brook's daily life. U.S. Route 22, one of New Jersey's busiest east-west corridors, runs through the township and hosts a long stretch of retail, dining, and services, while County Route 527 provides a north-south route. The location puts New York City roughly an hour to the east and the Jersey Shore about an hour to the south, making the township a practical base for commuters. Education is a central draw. The Green Brook Township Public Schools operate the Irene E. Feldkirchner Elementary School and Green Brook Middle School, and high school students attend Watchung Hills Regional High School alongside students from neighboring communities. Green Brook suits families and commuters seeking strong schools, a close-knit township government, and ready access to both urban and coastal destinations within the broader New York metropolitan orbit.