Abiko was elevated to city status. (4 towns) September 1, 1971 - The town of Kamagaya was elevated to city status. (3 towns) April 1, 1981 - The town of Urayasu was elevated to city status. (2 towns) June 6, 2003 - The town of Sekiyado was merged into the expanded city of Noda. (1 town) March 28, 2005 - The town of Shōnan was merged into the expanded city of Kashiwa. Higashikatsushika District was dissolved as a result of this merger. See also Katsushika District Nishikatsushika District Minamikatsushika District Kitakatsushika District Nakakatsushika District External links 千葉県 東葛飾県民センター 千葉県 葛南県民センター Former districts of Chiba Prefecture