The Apostolic Vicariate of Southern Nyanza (Latin: Vicariatus Apostolicus Victoriensis–Nyanzensis Meridionalis) was a Roman Catholic mission territory in Eastern and Central Africa.
[1] This area included parts of modern-day Uganda, Rwanda, Burundi and northern Tanzania.
[2] Hirth and the White Fathers moved to the Bukoba kingdoms of Kiziba and Bugabo in 1892 with about fifty Baganda Christian converts.
[7] According to the 1913 Catholic Encyclopedia, "The vicariate contains about 2,500,000 pagans, 7000 Catholics, 12,000 catechumens, 30 White Fathers; 23 lay brothers; 6 Missionary Sisters of Notre-Dame-d'Afrique; 20 churches or chapels; 15 stations; 85 schools with 3900 pupils; 190 catechists; 4 orphanages and 5 dispensaries; and a meteorological station belonging to the missionaries.
[4] He later moved to Rubya, where he founded a seminary, and was personally involved in training future priests for Bukoba and Rwanda.