Apostolic Vicariate of Brunei
The Apostolic Vicariate of Brunei Darussalam (Latin: Vicariatus Apostolicus Bruneiensis) is a Latin Catholic ecclesiastical jurisdiction covering the territory of Brunei and headed by an apostolic vicar. The first apostolic vicar was Cornelius Sim, who was created a cardinal in 2020 and died in May 2021.
Source: Wikipedia — Apostolic Vicariate of Brunei (CC BY-SA 4.0)