https://pleiades.stoa.org/places/246143
Ad Vicesimum: a Pleiades place resource
An ancient place, cited: BAtlas 25 G2 Ad Vicesimum
adplaceresource
https://www.catacombeditalia.va/content/archeologiasacra/en/catacombs/by-provinces/lazio/catacomb-ad-vicesimum-morlupo.html
Catacomb of "ad Vicesimum" in Morlupo (RM)
The catacomb, as is indicated by its name, is connected to the old outpost (statio) placed at the twentieth mile of Via Flaminia, nearby present-day Morlup
catacombadmorluporm