Union County, New Jersey, USA
County or equivalent
Location overview
Union County is in northeastern New Jersey, with Elizabeth as its county seat. Its eastern communities lie along the industrial and port corridor facing New York Harbor, while suburbs and wooded hills extend westward. Elizabeth traces its history to the colonial settlement of Elizabethtown, and the county was formed from Essex County in the 19th century. The county park system includes Watchung Reservation, a large forested preserve in the Watchung Mountains.