Spiritus loci (Latin, “spirit of the place”) is a term of ancient Pagan traditions meaning the spiritual being inhabiting a particular geographical location. Some modern writers interpreted this as the “place where a spirit manifests,” which is locus spiritus. A.G.H.
Greer, John Michael. The New Encyclopedia of the Occult. St. Paul, MN, Llewellyn Worldwide. p. 449-450