Markham, Ontario, incorporated as a city in 1971, population 338,503 (2021 census), 328,966 (2016 census). Markham is located immediately northeast of Toronto. It is one of nine municipalities that make up the Regional Municipality of York. The Rouge River cuts through the municipality diagonally, connecting to Rouge National Urban Park. Initially an agricultural community, Markham is now known for its technology businesses and ethnocultural diversity.
Throughout history, the Markham area has been home to different Indigenous groups, namely the Huron Wendat, Haudenosaunee and Anishinaabeg. The land is covered by Treaty 13 and the Williams Treaties.