Tanegashima Space Center

Located in Kagoshima Prefecture, Japan

The Tanegashima Space Center (TNSC), is the largest rocket-launch complex in Japan with a total area of about 9,700,000 square meters. Located in the south of Kagoshima Prefecture, along the southeast coast of Tanegashima. On-site facilities include the Yoshinobu Launch Complex, a launch site for large-size rockets, Spacecraft Test and Assembly Buildings, and the Spacecraft and Fairing Assembly Building.

More info here https://global.jaxa.jp/about/centers/tnsc/index.html