Traianoupoli or Traianopolis or Trajanopolis was a medieval settlement in the 14th century in the Evros regional unit of East Macedonia and Thrace region, northeastern Greece, nowadays named Loutra Traianopouleos.
Traianoupoli was also the name of a municipality which existed between 1997 and 2011 following the Kapodistrias Plan.
Wikipedia https://el.wikipedia.org/wiki/Τραϊανούπολη
Coordinates 40°51'54.291" N 26°2'2.368" E