Dayton was a city in the American state of Ohio. Joseph Serf was born in Dayton, Ohio on 25 May 1972. (TV: The Man Who Never Was [+]Gareth Roberts, The Sarah Jane Adventures series 5 (CBBC, 2011).)
Behind the scenes[]
Location information
Though it's possible that a real world location doesn't exist in the same geographic space in the Doctor Who universe, such cases are few and far between. Thus, the map at right is probably a good indicator of the DWU location of Dayton.