There is one place named Grellenberg in Germany.
All places in the world called "Grellenberg".
Neustadt (15)
Marienthal (13)
Neuhof (13)
Burg (12)
Neudorf (12)
Neuhaus (11)
Buchholz (11)
Friedrichsthal (11)
Lindenberg (11)
Holzhausen (10)
Glashütte (10)
Aue (10)
Schönberg (10)
Steinberg (10)
Bergen (10)
Lichtenberg (9)
Blumenthal (9)
Steinfeld (9)
Altenhof (9)
Winkel (9)
Neukirchen (9)
Karlshof (8)
Falkenberg (8)
Langenberg (8)
Eichholz (8)
Schönfeld (8)
Steinbach (8)
Rosenthal (8)
Limbach (8)
Altstadt (8)