Arakawa, Tokyo to the southwest, Bunkyo. South of Arakawa is Taito, and southeast is Sumida. The area was mainly agricultural in the Edo period. In 1651, Kozukappara, the Tokugawa's largest execution ground (now located next to Minami-Senju station), was built. Beginning in the Meiji era, the area became industrial as factories were built on the water front. In 1932, it became one of the 35 wards of Tokyo City. MIAT Mongolian Airlines's Tokyo Branch Office is on the fifth floor in the Tachibana Building in Arakawa. Iseki, a tractor and engine equipment manufacturer has its Tokyo head office in the ward. Arakawa
Arakawa River (Fukushima) The name Arakawa comes from the river long being known as an , meaning a river that floods often. Due these floodings, the Arakawa River has changed its course multiple times. The Ōmori River, now a tributary of the Arakawa River, currently flows in the former main riverbed of the Arakawa River. The Arakawa River's steep descent in the Tsuchiyu Onsen area formerly caused multiple earth and rock slides. To prevent further damage, in 1900 Fukushima Prefecture began flood control construction on the river, and in 1936 the country took over and began construction of the . The construction proved