Old East York is a district of the city of Toronto, Ontario, Canada. It consists of the southern, urban, portion of the former borough of East York. Old East York is continuous and functionally integrated with the old City of Toronto, bounded by the old municipal boundary between East York and Old Toronto on the south, by the Don River Valley on the w…Old East York is a district of the city of Toronto, Ontario, Canada. It consists of the southern, urban, portion of the former borough of East York. Old East York is continuous and functionally integrated with the old City of Toronto, bounded by the old municipal boundary between East York and Old Toronto on the south, by the Don River Valley on the west and northwest, by Taylor-Massey Creek on the north, and Victoria Park Avenue in the east.