The "Accoglienza Internazionale" is the Vacation House of the "Priestly Fraternity of the missionaries of Saint Charles Borromeo". Situated on the outskirts of Rome, immersed within a park of 10 acres, the "Accoglienza Internazionale" offers the hospitality of being located within the headquarters of the seminary and of the central administration of the Fraternity.

The Priestly Fraternity of the missionaries of Saint Charles Borromeo was founded in 1985 by Massimo Camisasca, born from the charism of the movement of Communion and Liberation, and is characterized by the dual aim of shared life and mission. In 1999, John Paul II recognized it as a Society of apostolic life of pontifical right.

The Fraternity consists of over one hundred priests who live in houses that are generally composed of three people. The missionaries are currently present in twenty countries spread out over four continents. The seminary of the Fraternity with the head office in Rome consists of about thirty seminarians.