Wilayah KKI Melbourne terbagi menjadi 8 wilayah berdasarkan local council.
Wilayah Santo Paulus
City of Melbourne
City of Port Philips
City of Yarra
City of Marybyrnong
City of Moonee Valley
City of Moreland
City of Darebin
Wilayah Santa Angela
City of Wyndham
City of Hobson Bay
Wilayah Santa Teresa
City of Hume
City of Banyule
City of Whittlesea
City of Nilumbik
Wilayah Santo Antonius
City of Whitehorse
City of Manningham
City of Maroondah
City of Boroondara
Wilayah Santo Fransiscus
City of Stonnington
City of Glen Eira
City of Bayside
City of Kingston
Wilayah Santo Yohanes
City of Monash
City of Knox
Wilayah Santo Benedictus
City of Casey
City of Great Dandenong
City of Frankston
Wilayah Santa Maria
City of Melton
City of Brimbank