Yorkdale Shopping Centre, Yorkdale Mall, or simply Yorkdale, is a major retail shopping centre in Toronto, Ontario, Canada. Located at the southwest corner of the interchange between Highway 401 and Allen Road, it opened in 1964 as the largest enclosed shopping mall in the world. Yorkdale is currently the third largest shopping mall in Canada by floor space and has the highest sales per unit area of any mall in Canada, with current merchandise sales levels at roughly CA$1,905 per square foot. At 18 million annual visitors, it is one of the country's busiest malls. Many international retailers have ventured the Canadian market initially at Yorkdale.