Tricities, Coquitlam County

The Tricities or Tricity Area is a common unofficial term for the cities of Coquitlam, Port Coquitlam and Port Moody, the three most populous cities of Coquitlam County, British Columbia, which account for over three-quarters of its population as well as its land area. The three cities often work together on regional initiatives, and as such the term is often used in civic and commercial projects in the area.

The Tricity Area, along with the rest of Coquitlam County, forms part of the Lower Mainland, the metropolitan area centred on the port city of Vancouver, British Columbia's most populous city and the third-most populous in Canada.