Saijo-shi(38206), Toyo-shi(38212), Komatsu-cho(38321) and Tambara-cho(38323) in Shuso-gun are merged, and Saijo-shi is newly established.
西条市(38206)、東予市(38212)、小松町(38321)、丹原町(38323)が合併し、西条市を新設