HeadingGroningen used in: Austrian Academy of Sciences: Bernstein Paper Atlas, Wien (Austria); Bavarian State Library, Munich (Germany); Koninklijke Bibliotheek - National Library of the Netherlands, Den Haag (Netherlands)
Grins
Gronings
Gröninga
Gröningen [sources: Urso]
Croninga
Groeninga [sources: Deschamps]
Gronigen
Groninga [sources: Orbis]
Groninga Frisiorum
Groninga Frisorum
Groningae
Groningae Frisiorum
Groninge
Groningue
Grunning
Cruoninga [sources: RBMS/BSC Latin Place Names File]
Groeninga [sources: RBMS/BSC Latin Place Names File]