Washington-city, capitalof the United Statesof America.The official name- District of Columbia,isan independent territorythat is not partof anyone of the states.The city was foundedin 1791and named inhonorof GeorgeWashington, the firstU.S. president.Since 1871, Washington, along withGeorgetownand several otherareasmergedin District ofColumbia(EnglishDistrict of Columbia,abbreviated asDC),whose boundariescoincidewith the city,so theAmericansnot to confuse thecityof the samestatein the northwest ofthe country,speakinggenerallycall the city"Dc" or "WashingtonDc."
The city is locatedon the north bankof the Potomac River,bordered byVirginiato the southwest, andthe State of Marylandwithall other parties.The permanent populationof the city is601,723people,due toarrivalof commutersduring the weekitincreased toone million.The population ofthe Washingtonmetropolitan area,part of whichis a cityof 5.4million people,according to this indicatoragglomerationranked eighthin the country.