Sera (世羅郡, Sera-gun) is a district located in Hiroshima Prefecture, Japan. As of 2020, the district has an estimated population of 15,125 and a density...

District (奴可郡) - merged with Eso and Mikami Districts to become Hiba District on October 1, 1898 Numakuma District (沼隈郡) - dissolved Sera District (世羅郡) Yasuna...