1. Historical notes :
10.01.1933 : Erected « missio-sui-juris » of Kodok, detached from the Ap.Vicariate of    Khartoum.
04.08.1938 : Ap. Prefecture of Kodok
04.07.1949 : Ap. Prefecture of Malakal
12.12.1974 : Diocese of Malakal, suffragan of Juba

2. Extent :  The Diocese of Malakal comprises the six provinces (North Upper Nile, Sobat, Fashoda, Maban, Tonga, Renk, Mellut) of Upper Nile State ; the four provinces (Rubkona, Pariang, Leer, Mayom) of Wihda State ; the four provinces (Bor, Nahr Pibor, Akobo, Fam el Szaraf) of Jongley State.

Area : 238.000 km sq - Population : 2.750.000 - Catholics : 45.000

3. Ordinary : H.E. Bishop Vincent Mojwok Nyiker, born in Atigo-Tonga (Malakal) 25.1.1933; ordained Priest 21.7.1963 ; appointed Ap. Administrator of Malakal in 1977 ; consecrated Bishop 27.5.1979.

Address : P.O.B. 27, 71111 Malakal (Sudan) tel. . 22065, fax : + 249/11/724866

- Predecessors :
1933 - 1935  Fr. Matteo Michelon , MCCJ, Superior « missio-sui-juris » of Kodok
1938 - 1945  Msgr. John Wall MHM, Ap. Prefect
1947 - 1962  Msgr. John Hart MHM, Ap. Prefect
1962 - 1964  Msgr Herman Te Riele MHM, Ap. Prefect
1964 - 1977  Rev. Pio Yokwan Deng, Ap. Prefect up to 1974, then Bishop
1977 -           Rev. Vincent Moywok Nyeker, Ap. Administrator up to 1979 then Bishop.

6. Parishes :
6.1 - Mudiria -  Malakal - Founded in 1939

Address : P.O.B. 27 Malakal (Sudan)

- Institutions :
1 . Parish kindergarten - adult education
2 . Orphanage (now it belongs to the government . 
3 . Basic School

- Centres for activities
1 . Dengershoof
2 . Bam
3 . Canal camp
4 . Hillat Sahha

6.2. - Malakiya  - Malakal - Founded in 1967

- Address : P.O.B. 27 Malakal (Sudan)

- Institutions :
1 . St Joseph Junior Seminary
2 . St Lwanga Catholic School
3 . Vocational Training Workshop
4 . Parish Kindergartens - adult education

- Centres for activities : Lwakaat

6.3 - Leer - founded 1995

6.4 - East Nuer  (Waat)  Founded 1998

6.5 -Bunj - see Archdiocese of Khartoum

6.6 - Renk - see Archdiocese of Khartoum

6.7 - Roma - founded 1997 - see Diocese of Torit

Here we give the list of the old parishes, now cared for only through catechists ; they are the good « roots », underground, waiting for their resurrection :

6.8 - Lul - Founded in 1901

6.9- Wau - Tumier - Founded in 1949

6.10 - Kodok - Founded in 1933 - Headquarter of Fashoda Province

6.11 - Detwok - Founded in 1923

6.12 - Bentiu - Founded in 1972 - Capital of Wihda State and Rubkona province

6.13 - Bor - Founded in 1983 - Capital of Jongley State and Jongley province

6.14 - Oweci - Founded in 1952

6.15 - Tonga - Founded in 1904 - Headquarter of Tonga Province

6.16 - Yoyniang - Founded in 1925

6.17 - Rianghom - Founded in 1953