found: GeoNames, 8 Feb. 2012(Freiburg, Niedersachsen, Germany, (variant : Freiburg an der Elbe), populated place, 53°50ʹ00ʺN, 09°17ʹ00ʺE)
found: Wikipedia, 8 Feb. 2012(Freiburg, Lower Saxony, a municipality in the district of Stade, Lower Saxony, Germany, also known as Freiburg an der Elbe, Freiburg/Elbe, Freiborg an'e Elv and Freiborg)
found: GEOnet Names Server, 31 July 2020(Freiburg/Elbe (approved); variants: Freiburg, Freiburg an der Elbe, Freiburg (Elbe), Fryborg; populated place; 53°49ʹ25ʺN, 09°17ʹ07ʺE)