Holy site
Rome
Vaticano, Roma, Latium, Kingdom of Romagna
Rome is a holy site in Crusader Kings III, in Vaticano, Roma, Latium, Kingdom of Romagna. The county's holder gets Stewardship +1. While their faith holds it, followers get Stewardship +1, Temple Buildings Construction Cost -10%. 18 faiths count it holy, among them Chalcedonianism, Catholicism, Conversos, Waldensianism and 14 more. Patch 1.20.0.3, from game/common/religion/holy_site_types/00_holy_site_types.txt.
The county's holder gets
Followers get, while their faith holds it
Per level of enshrined relics
These grow with the total rarity of the relics enshrined at the site (holy_site_total_artifact_rarity): the value below is per level.
Followers
The county
Source: game/common/religion/holy_site_types/00_holy_site_types.txt (key rome), each faith's holy_site list, common/landed_titles and map_data, Crusader Kings III 1.20.0.3.