Ōsumi Province (大隅国 Ōsumi no Kuni) was an old province of Japan in the area that is today the eastern part of Kagoshima Prefecture. It was sometimes called Gūshū (隅州). Ōsumi bordered on Hyūga and Satsuma Provinces.
The Ōsumi region has developed its own distinct local dialect. Although Ōsumi is part of Kagoshima Prefecture today, this dialect is different from that spoken in the city of Kagoshima. There is a notable cultural pride in traditional poetry written in Ōsumi and Kagoshima dialects.
Japan's first satellite, Ōsumi, was named after the province.
In the 3rd month of the 6th year of the Wadō era (713), the land of Ōsumi Province was administratively separated from Hyūga Province. In that same year, Empress Genmei's Daijō-kan continued to organize other cadastral changes in the provincial map of the Nara period.
- Kagoshima Prefecture
- Aira District (姶良郡) - absorbed Kuwabara and Nishisoo Districts on March 29, 1896
- Gomu District (馭謨郡) - merged into Kumage District on March 29, 1896
- Hishikari District (菱刈郡) - merged with Kitaisa District (北伊佐郡) of Satsuma Province to become the 2nd incarnation of Isa District (伊佐郡) on March 29, 1896
- Kimotsuki District (肝属郡) - absorbed Minamiōsumi District on March 29, 1896
- Kumage District (熊毛郡) - absorbed Gomu District on March 29, 1896
- Kuwabara District (桑原郡) - was merged into Aira District (along with Nishisoo District) on March 29, 1896
- Ōshima District (大島郡)
- Ōsumi District (南大隅郡)
- Soo District (囎唹郡)
- Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ISBN 978-0-674-01753-5; OCLC 58053128
- Titsingh, Isaac. (1834). Annales des empereurs du Japon (Nihon Ōdai Ichiran). Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691.
Media related to Osumi Province at Wikimedia Commons
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