Driving Through Highway 7 westbound from route 48 in Markham, Greater Toronto Area in Ontario, Canada

Markham (/ˈmɑːrkəm/) is a city in the Regional Municipality of York, Ontario, Canada. It is approximately 30 km (19 mi) northeast of Downtown Toronto. In the 2021 Census, Markham had a population of 338,503,[2] which ranked it the largest in York Region, fourth largest in the Greater Toronto Area (GTA), and 16th largest in Canada.