Christiana is an unincorporated community in New Castle County, Delaware, United States, located on the Christina River, 12 miles southwest of Wilmington. It is home to the Christiana Hospital and the Christiana Mall and is the location of the northern terminus of Delaware Route 1 at an interchange with Interstate 95. Despite sharing a name with Christiana Hundred, the community of Christiana is located in White Clay Creek Hundred.