New Castle County, Delaware state by area. It has more people than the other two counties, Kent and Sussex, combined. It is also the most economically developed of the three. Matt Meyer was elected New Castle County Executive in 2016. New Castle County is home to two minor league sports teams: the Wilmington Blue Rocks (baseball) and the Delaware Blue Coats (basketball) which also plays in Wilmington. It also has a professional auto racing track in New Castle known as Airport Speedway, which races on Saturday nights throughout the summer. The first permanent European settlement on Delaware soil was Fort Christina, resulting from Peter
Marlborough Castle Castle Mound. Parts of the keep and curtain wall have been identified by excavation and a Roman coin recovered. Marlborough Castle Marlborough Castle, locally known and recorded in historical documents as "The Mound", was an 11th-century royal castle located in the civil parish of Marlborough, a market town in the English county of Wiltshire, on the Old Bath Road, the old main road from London to Bath (). The barrow on which the fortification was built, perhaps the "barrow of Maerla" seems to be a prehistoric earthwork which formed the motte of the Norman Marlborough Castle. It survives as a