Washington, D.C. has a total area of 68.3 square miles (177 km2), of which 61.4 square miles (159 km2) is land and 6.9 square miles (18 km2) (10.16%) is water. The District is no longer 100 square miles (260 km2) due to the retrocession of the southern portion of the District back to the Commonwealth of Virginia in 1846. The District's current area consists only of territory ceded by the state of Maryland. Washington is therefore surrounded by...
