Edison, New Jersey
According to the United States Census Bureau, the township had a total area of 30.638 square miles (79.351 km2), including 29.940 square miles (77.543 km2) of land and 0.698 square miles (1.808 km2) of water (2.28%).
Edison is on the east side of Raritan Valley (a line of communities in central New Jersey), along with Plainfield, and completely surrounds the borough of Metuchen, New Jersey, making it part of 21 pairs of "doughnut towns" in the state, where one municipality entirely surrounds another. The township borders East Brunswick Township, Highland Park, New Brunswick, Piscataway Townshi...
Source: Wikipedia (as of 04/11/2019). Read more from Wikipedia