Waterbury (nicknamed "The Brass City") is a city in the U.S. state of Connecticut on the Naugatuck River, 33 miles (45 minutes) southwest of Hartford and 77 miles (90 minutes) northeast of New York City. Waterbury is located in New Haven County, Connecticut. As of the 2010 census, Waterbury had a total population of 110,366, making it the 10th largest city in the New York Metropolitan Area, 9th largest city in New England and the 5th largest city in Connecticut.

Waterbury es una ciudad del oeste de Connecticut, en Estados Unidos. Está ubicada en las cercanías del río Naugatuck, y se fundó en 1674 como la plantación Mattatuc], en ese entonces parte de Farmington, que después sería incorporada en 1686 como la localidad de Waterbury.