Shima District, MieShima was a district located in Mie Prefecture, Japan.As of 2003, the district had an estimated population of 70,059 and a density of. The total area was.Towns and villages Ago Daiō Hamajima Isobe ShimaMergers On October 1, 2004 - The former town of Shima absorbed the towns of Ago, Daiō, Hamajima and Isobe to create the city of Shima, effectively turning the district into a city. Therefore, Shima District was dissolved as a result of this merger.