York is a district and former city within Toronto, Ontario, Canada. It is located northwest of Old Toronto, southwest of North York and east of the Humber River. Originally formed as York Township, it encompassed the southern section of York County. It was split several times, creating East York and North York. In 1953, it became part of the Metropolitan Tor…York is a district and former city within Toronto, Ontario, Canada. It is located northwest of Old Toronto, southwest of North York and east of the Humber River. Originally formed as York Township, it encompassed the southern section of York County. It was split several times, creating East York and North York. In 1953, it became part of the Metropolitan Toronto federation. It absorbed several municipalities, including Lambton Mills and Weston and was eventually known as the City of York. In 1998, it was dissolved along with Metro Toronto and its constituent municipalities, amalgamated to form the current City of Toronto.