Health Regions: Boundaries and Correspondence with Census Geography
Map 7
Ontario, Southern Ontario, Public Health Units, 2023

This map shows the twenty-seven Public Health Units in Southern Ontario:
Brant County Health Unit, code 3527, Durham Regional Health Unit, code 3530, Grey Bruce Health Unit, code 3533, Haldimand-Norfolk Health Unit, code 3534, Haliburton, Kawartha, Pine Ridge District Health Unit, code 3535, Halton Regional Health Unit, code 3536, City of Hamilton Health Unit, code 3537, Hastings and Prince Edward Counties Health Unit, code 3538, Chatham-Kent Health Unit, code 3540, Kingston, Frontenac and Lennox and Addington Health Unit, code 3541, Lambton Health Unit, code 3542, Leeds, Grenville and Lanark District Health Unit, code 3543, Middlesex-London Health Unit, code 3544, Niagara Regional Area Health Unit, code 3546, Huron Perth District Health Unit, code 3550, City of Ottawa Health Unit, code 3551, Peel Region Health Unit, code 3553, Peterborough County-City Health Unit, code 3555, Renfrew County and District Health Unit, code 3557, The Eastern Ontario Health Unit, code 3558, Simcoe Muskoka District Health Unit, code 3560, Waterloo Health Unit, code 3565, Wellington-Dufferin-Guelph Health Unit, code 3566, Windsor-Essex County Health Unit, code 3568, York Regional Health Unit, code 3570, Oxford Elgin St. Thomas Health Unit, code 3575, and City of Toronto Health Unit, code 3595.

Public Health Units are outlined by a thin brown line and labeled in brown text with their four digit health region code.

Water features are displayed on the map for reference purposes. Linear water features appear on the map as a thin blue line while water bodies are shaded blue. Some cities are labeled in black text, for reference purposes.

Source: Statistics Canada, Health Regions: Boundaries and Correspondence with Census Geography, (82-402-X).