New Castle is a city in New Castle County, Delaware, six miles (10 km) south of Wilmington, situated on the Delaware River.
In the City of New Castle, many small and historical neighborhoods are within the city limits. However, many larger neighborhoods are surrounding the city limits and are labeled as New Castle within the general consensus. The New Castle area ranges from the southern city limits of Wilmington to the north, the Delaware River to the East, Wrangle Hill Road to the South, and Bear and Christiana to the West.
New Castle is served by the Colonial School District and the New Castle Public Library. Private schools located in New Castle include Serviam Girls Academy and Tall Oaks Classical School.