Located on the eastern seaboard of the US, Delaware ranks 49th in size among the 50 states. The state's total area is 2,044 sq mi (5,295 sq km), of which land takes up 1,932 sq mi (5,005 sq km) and inland water 112 sq mi (290 sq km). Delaware extends 35 mi (56 km) E-W at its widest; its maximum N-S extension is 96 mi (154 km).
Delaware is bordered on the N by Pennsylvania; on the E by New Jersey (with the line passing through the Delaware River into Delaware Bay) and the Atlantic Ocean; and on the S and W by Maryland.
The boundary length of Delaware, including a general coastline of 28 mi (45 km), totals 200 mi (322 km). The tidal shoreline is 381 mi (613 km). The state's geographic center is in Kent County, 11 mi (18 km) S of Dover.