Parish Communities
South Johor Vicariate
- Cathedral of the Sacred Heart, Johor Bahru
- Church of the Immaculate Conception, Johor Bahru
- Church of Divine Mercy
- Church of Christ the King, Kulai
- Church of St. Joseph, Plentong
- Church of St. Theresa, Masai
- Church of the Holy Family, Ulu Tiram
- Church of St. Elizabeth, Kota Tinggi
North Central Johor Vicariate
- Church of St. Louis, Kluang
- Church of St. Peter, Mersing
- Church of St. Philip, Segamat
- Church of St. Anthony, Chaah
- Church of St. Simon, Labis
- Church of St. Henry, Batu Pahat
- Church of St. Andrew, Muar
- Church of St. Matthew, Tangkak
Melaka Vicariate
- Church of St. Francis Xavier
- Church of the Holy Spirit, Jasin
- St. James Chapel, Merlimau
- St. James Chapel, Merlimau
- Church of St. Peter
- Church of St. Theresa, Gajah Berang
- Church of Our Lady of Guadalupe, Krubong
- Church of St. Mary, Ayer Salak