Arakawa, Tokyo Arakawa, Tokyo Arakawa has sister-city relationships with Donaustadt in Vienna, Austria, and with Corvallis, Oregon, U.S. Domestically, it has similar relationships with nine cities, towns and villages. As of May 1, 2015, the ward has an estimated population of 208,763, and a population density of about 20,550 persons per km². The total area is 10.16 km². Arakawa is in the northeastern part of Tokyo. The shape is long and narrow, stretching from west to east. The Sumida River forms the northern boundary. The ward is surrounded by five other special wards. To the north lies Adachi; to the west, Kita;
Two Rivers (Red River of the North tributary) Badger, and flows west to the North Branch. It passes the town of Greenbush before entering Kittson County and passing the town of Lake Bronson. At Hallock, the Middle Branch enters from the east. The section of the South Branch downstream from the Middle Branch is shown on federal topographic maps as the main stem of Two Rivers. Two Rivers (Red River of the North tributary) The Two Rivers is a river in Kittson County, northwestern Minnesota, in the United States. Formed by the North Branch of the Two Rivers and the South Branch of the Two Rivers, it is