Saitama (city) city boundaries. The western portion of the city lies on the lowland created by the Arakawa River along with those created by small rivers such as the Moto-Arakawa River, Shiba River, and Ayase River. The rest of the area mostly resides on the Ōmiya Plateau lying in the north-south direction. Dispersed in this region, major rivers flow southward, almost paralleling to one another. Saitama has ten wards ("ku"), which were assigned official colours as of April 2005: Saitama's economy is principally constituted by commercial business. The city is one of many commercial centers of the Greater Tokyo area and serves
Nihito Arakawa Yoshitaka Katō to be crowned the East Japan Rookie King in November 2005, and won the All-Japan Rookie King Tournament in December of that year. He rematched Katō in September 2006 where he suffered his first loss in a close decision. Issei Nakaya of Hachioji Nakaya Promotions had promoted Arakawa until the end of 2014. after having visited boxing venues around the world over years. In September 2008, Arakawa faced Filipino Randy Suico for the OPBF lightweight title, but the fight ended in a majority draw. Arakawa won the Japanese lightweight title via a majority decision from Akihiro Kondō in