18 Kimbolton Crt
Toronto, ON M1M 3G2

Port Union, also known as Centennial Scarborough is a neighbourhood located in Scarborough, part of Toronto, Ontario, Canada. The neighbourhood is bounded by Kingston Road to the north, Port Union Road to the east, the Lake Ontario shoreline to the south, and Highland Creek to the west.

The neighbourhood originated as the small lakefront town of Port Union in the 19th century. It was later developed as a suburban bedroom community after the Second World War. In recent years the industrial lands along the waterfront have transformed into new subdivisions. The neighbourhood has many mature trees, parkland and waterfront. It is an affluent neighbourhood with 93% home ownership. Port Union is home to a large percentage of people with British ancestry.