Noun
fanum (plural fana)
(historical) The site of an Ancient Roman temple or shrine.
Livy I 12; Dionysius of Halicarnassus II 59; Ovid Fasti VI 793; Cicero Catilinaria I 33. There may have been an earlier shrine ( fanum ), since the Jupiter's cult is attested epigraphically. Source: Internet
In ancient Rome only the native deities of Roman mythology had a templum; any equivalent structure for a foreign deity was called a fanum. Source: Internet
The only sanctuary of Isis ( fanum Isidis) identified with certainty in Roman Britain is located in Londinium (present-day London). Source: Internet