There is one place named Gumppenberg in Germany.
All places in the world called "Gumppenberg".
Neustadt (15)
Marienthal (13)
Neuhof (13)
Neudorf (12)
Burg (12)
Friedrichsthal (11)
Lindenberg (11)
Neuhaus (11)
Buchholz (11)
Schönberg (10)
Aue (10)
Steinberg (10)
Bergen (10)
Holzhausen (10)
Glashütte (10)
Lichtenberg (9)
Steinfeld (9)
Blumenthal (9)
Altenhof (9)
Winkel (9)
Neukirchen (9)
Breitenbach (8)
Petersberg (8)
Linden (8)
Schönau (8)
Sonnenberg (8)
Hütten (8)
Stockhausen (8)
Karlshof (8)
Falkenberg (8)