Roxbury is a township in southwestern Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 22,950, a decrease of 374 (−1.6%) from the 2010 census count of 23,324, which in turn reflected a decline of 559 (−2.3%) from the 23,883 counted in the 2000 census. The township is located approximately 36 miles (58 km) west-northwest of New York City, 27 miles (43 km) west-northwest of Newark, New Jersey and 26 miles (42 km) east of the Delaware Water Gap on the border of New Jersey and Pennsylvania.

Chester Township is a township in southwestern Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 7,713, a decrease of 125 (−1.6%) from the 2010 census count of 7,838, which in turn reflected an increase of 556 (+7.6%) from the 7,282 counted in the 2000 census. The township's name is derived from Chestershire in England.