towns of Saijō, Tōjō, Kuchiwa, Takano and Hiwa merged with the town of Sōryō from Kōnu District and the city of Shōbara to form the city of Shōbara) Usa District (宇佐郡), Ōita (The towns of Innai and Ajimu merged with the city of Usa to form the city of Usa) Ōno District (大野郡), Ōita (The town of Mie, The village of Kiyokawa, the towns of Ogata, Asaji, Ōno, the village of Chitose, and the town of Inukai merged to form the city of Bungo-ōno) April 1, 2005 Kurihara District (栗原郡), Miyagi (The towns of Ichihasama, Uguisuzawa, Kannari, Kurikoma, Shiwahime, Semine, Takashimizu, Tsukidate, Wakayanagi, and the village of Hanayama merged to form the city of Kurihara) Tome District (登米郡), Miyagi (The towns of Ishikoshi, Towa, Toyosato, Toyoma, Nakada, Hasama, Minamikata, and Yoneyama merged with the town of Tsuyama from Motoyoshi District to form the city of Tome) Monou District (桃生郡), Miyagi (The towns of Yamoto and Naruse merged to form the city of Higashimatsushima; the towns of Kahoku, Ogatsu, Kanan, Monou, and Kitakami merged with the town of Oshika from Oshika District and the city of Ishinomaki to form the city of Ishinomaki) Koshi District (古志郡), Niigata (The village of Yamakoshi merged into the city of Nagaoka) Higashikubiki District (東頸城郡), Niigata (The towns of Matsudai and Matsunoyama merged with the city of Tōkamachi and 2 towns and villages from Nakauonuma District to form the city of Tōkamachi) Nakakubiki District (中頸城郡), Niigata (The town of Myōkōkōgen and the village of Myōkō merged into the city of Arai to become the city of Myōkō) Kaminiikawa District (上新川郡), Toyama (The towns of Ōsawano and Ōyama merged with 4 towns and villages from Nei District and the city of Toyama to form the city of Toyama) Nei District (婦負郡), Toyama (The towns of Yatsuo, Fuchu, and the villages of Yamada and Hosoiri merged with two towns from Kaminiikawa District and the city of Toyama to form the city of Toyama) Ogasa District (小笠郡), Shizuoka (The towns of Ōsuga and Daitō merged with the city of Kakegawa to form the city of Kakegawa) Haguri District (葉栗郡), Aichi (The town of Kisogawa merged into the city of Ichinomiya) Nakashima District (中島郡), Aichi (The towns of Sofue and Heiwa merged into the city of Inazawa) Higashikamo District (東加茂郡), Aichi (The town of Asuke, the village of Shimoyama, and the towns of Asahi and Inabu merged into the city