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;
Hiromu Arakawa an anime series, Arakawa assisted them in its early development. However, she was not involved in the making of the script, so the anime had a different ending from the manga, which she developed further. The series won the 49th Shogakukan Manga Award in the "shōnen" category in 2004. When the second anime adaptation was reaching its ending, Arakawa showed director Yasuhiro Irie her plans for the manga's ending, making both end in near dates. She gave birth to a son in 2007 but did not take a maternity leave. In a February 12, 2014, interview, Arakawa mentioned that her