Colluricincla harmonica is listed in the following regions:
Canberra & Southern Tablelands | Southern Highlands | Albury, Wodonga | South Coast | Greater Sydney | Central West NSW | Riverina Murray | New England | Far West New South Wales | New South Wales North Coast | Hume | Greater Melbourne | Gippsland | Barwon South West | Loddon Mallee | Greater Brisbane | Tasmania | South West Western Australia