The Abbey-Principality of San Luigi is an international Christian religious organization, originally founded in 1883 as a sovereign theocratic principality in the Fezzan. Within an overall humane and charitable ethos, the Abbey-Principality carries out its mission today through churches, religious orders, nobiliary, chivalric and scholarly institutions.
The Abbey-Principality is a church in its own right, led by the Prince-Abbot who is its Archbishop. In the spirit of ecumenism, it has over the years also absorbed other churches and religious orders leading to an international ministerial outreach, which are organized under the federation of the Catholicate of the West. A imagem é de São Louis, Louis IX Roy de France, o Rei Justo (Sainte Chapelle, Paris).