As stated in Mediland, St. Euphemia was in Calabria.
"Robert Guiscard established a monastery here in the 11th century. Its first abbot was Robert de Grantmesnil, the exiled abbot of Saint-Evroul-sur-Ouche, who brought with him 11 monks and began a musical tradition at Sant'Eufemia to rival the fame of that of Saint-Evroul." https://en.wikipedia.org/wiki/Sant'Eufemia_d'Aspromonte
Suggested Place-name Strand: Sant'Eufemia d'Aspromonte, Calabria, Italiæ, Sacri Romani Imperii