Colonia is a large, unincorporated community and census-designated place occupying the northwest corner of Woodbridge Township, in Middlesex County, New Jersey. It is one of several distinct sections of Woodbridge Township, a municipality that functions as a collection of connected neighborhoods — Colonia, Avenel, Iselin, Fords, Port Reading, and others — rather than a single downtown. Colonia is among the more residential and family-oriented of these sections, and with roughly 18,000 residents it is also one of the most populous. The community is defined by its geography at the center of New Jersey's transportation web. It sits about 30 miles south of Manhattan and is bordered by Clark and Rahway to the north, Avenel and Iselin within the township, and Edison to the west. That position puts Colonia within reach of several major commuter corridors, including the Garden State Parkway, the New Jersey Turnpike, and Routes 1 and 9, as well as rail service at nearby Metropark and Rahway stations. Colonia lacks its own municipal government, functioning as a neighborhood within Woodbridge Township, which provides schools, police, and services. Its identity is nonetheless distinct, anchored by Colonia High School, its churches, its athletic fields, and the small commercial strips along its main roads. Community life is local and family-centered, built around youth sports, schools, and civic organizations. The community suits commuters and families who want established, relatively affordable single-family housing with direct access to both New York City and the employment centers of central New Jersey. It is a place defined more by practicality and location than by any single landmark.