Greenwich is a town in southwestern Fairfield County, Connecticut, United States. As of the 2010 census, the town had a total population of 61,171, with a census-estimated increase to 62,574 in 2018. The largest town on Connecticut's Gold Coast, Greenwich is home to many hedge funds and other financial service firms. Greenwich is a principal community of the Bridgeport–Stamford–Norwalk–Danbury metropolitan statistical area, which comprises all of Fairfield County.
Greenwich is the southernmost and westernmost municipality in Connecticut as well as in the six-state region of New England. The town is named after Greenwich, a royal borough of London in the United Kingdom.