Diocese of Tonga
The Diocese of Tonga (Latin: Dioecesis Tongana) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Tonga. It was erected as part of the Vicariate Apostolic of Central Oceania in 1842, had subsequent name changes in 1937 and 1957 before being elevated to the Diocese of Tonga on June 21, 1966.