Dictionary of Medieval Names
from European Sources

Godlanda f. Old High German, Old Dutch got, Old Saxon, Old Frisian, Old English god 'god, deity' + Old High German lant, Old Saxon land 'land'.

France
Latin
c823 Gotlanda (nom) irminon-vol2 35, Palatiolum
Cite as: S.L. Uckelman. "Godlanda". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Godlanda.