To all the downvoters and aammaagod people out there: 東京都 is the name of the prefecture, not the name of the city. Exactly like 京都府 is the name of the prefecture not the city. So no, 東京都 is not „the original name“. The original name is 江戸, subsequently 東京. But yeah, Reddit being the source of all wisdom these days….
by Gumbode345