Where are Japan’s data centers? Facilities by prefecture

The registry lists 75 published facilities and projects across 14 prefectures, focused on AI and hyperscale infrastructure. It is not a census of all Japanese data centers.

Registry updated: 2026-10-08 10:59:50

Kyoto (2)

Hyogo (2)

Hokkaido (7)

Chiba (20)

Osaka (11)

Miyagi (1)

Shimane (1)

Ehime (1)

Tokyo (18)

Kanagawa (3)

Fukuoka (4)

Ibaraki (1)

Kagawa (1)

Kagoshima (3)

Facility filters and evidence levels