For fans and scouts following Japan’s prestigious high school baseball scene, accessing a comprehensive school directory by region is essential. This list organizes all teams from Hokkaido to Okinawa, covering every prefecture involved in the national tournaments, including the famed Koshien championships. Below, you’ll find the complete list of high school baseball powerhouses, from traditional dynasties to emerging contenders, updated with recent championship highlights.
**Hokkaido & Tohoku Region** – Includes powerhouse schools from Hokkaido, Aomori, Iwate, Miyagi, Akita, Yamagata, and Fukushima.
**Kanto Region** – Features teams from Ibaraki, Tochigi, Gunma, Saitama, Chiba, Tokyo, Kanagawa, and Yamanashi.
**Hokushinetsu Region** – Covers Niigata, Toyama, Ishikawa, Fukui, and Nagano.
**Tokai Region** – Includes Gifu, Shizuoka, Aichi, and Mie.
**Kinki Region** – Houses Kyoto, Osaka, Hyogo, Nara, Shiga, and Wakayama, home to legendary programs like Osaka Toin and Ryukoku Dai Heian.
**Chugoku Region** – Features Tottori, Shimane, Okayama, Hiroshima, and Yamaguchi.
**Shikoku Region** – Includes Tokushima, Kagawa, Ehime, and Kochi.
**Kyushu & Okinawa** – Covers Fukuoka, Saga, Nagasaki, Kumamoto, Oita, Miyazaki, Kagoshima, and Okinawa.
Recent notable results from the Spring 2026 prefectural tournaments include Ryukoku Dai Heian winning the Kyoto championship for the first time in nine years, overcoming Ritsumeikan Uji with a come-from-behind victory powered by strong pitching and hitting. In Niigata, Niigata Meikun secured a dramatic 5‑4 walk‑off win in extra innings over Niigata Sangyo University High School, earning their 16th title in three seasons and their first spring crown in a decade. Meanwhile, Kariya showed resilience against top-seeded Toyokawa, a team built primarily with first- and second-year players, and called the victory a major confidence booster for the Aichi tournament.
For the latest updates, including live streams, video highlights, and more detailed news from each region, browse the full school list above.