Ansonia is located in New Haven County west of New Haven on Highway 115 near Shelton.
In 1654, Edward Wooster found a place along the the Naugatuck River to grow hops for the Milford brewery. After building his house other homes were built within a year. After receiving the right to become a plantation in 1675, it was named Derby after Derbyshire, England, which was the original home of some of the settlers. A portion of the plantation became the city known as Ansonia when it separated from Derby in 1893.
The local attractions include Osbornedale State Park, Beaver Dam Reservoir, and visitors can explore the Long Island Sound.