Madison South is a neighborhood in the Northeast section of Portland, Oregon. It is bordered by the Roseway, Sumner, Cully, Parkrose, Montavilla, and Rose City Park neighborhoods, and by the enclave city of Maywood Park. The neighborhood roughly conforms to the boundaries of Interstate 84 to the south, Interstate 205 to the east, NE Sandy Boulevard to the north, and NE 65th Avenue to the west.