NOM : Décanat Occidental de Notre-Dame Reine du Sud-Soudan
ÉTAT : Tombura
VICAR ÉPISCOPAL : Rev. Fr. Mark Kumbonyaki
BUREAU CENTRAL : Tombura
SIÈGE DU DÉCANAT : St. Mary Help of Christians Tombura Parish
PAROISSES
| NOM | DATE DE CREATION | PASTEUR |
| Our Lady of Martyrs Catholic Parish Mupoi | 24 dicembre 1912 | Fr. Vairi Natale |
| Ave Maria Catholic Parish Ngboko | 1923 | Fr. Avelino Bassol |
| St. Mary Help of Christians Catholic Parish Tombura | 1950 | Fr. Mark Kumbonyeki |
| St. Daniel Comboni Catholic Parish Maringindo | 1950 | Under Curia |
| St. Thomas Catholic Parish Rii-Yubu | 2012 | Fr. Avelino Bassol |
| St. Francis Catholic Parish Gamonakpe | 2012 | Fr. Abraham Abayo |
| St. John Catholic Parish Mabaiku | 2018 | Fr. Abraham Abayo |
| Nazareth Catholic Parish Nagero | 2019 |