The capital city, Washington, District of Columbia, is a federal district located on land donated by the state of <answer>Maryland</answer>. (Virginia had also donated land, but it was returned in 1849.) The United States also has overseas territories with varying levels of independence and organization: in the Caribbean the territories of Puerto Rico and the U.S. Virgin Islands, and in the Pacific the inhabited territories of Guam, American Samoa, and the Northern Mariana Islands, along with a number of uninhabited island territories.
Which US state donated Washington, D.C.?
Maryland