GLEC has four offices in Ibaraki University.
- Mito Campus: 2-1-1 Bunkyo, Mito, 310-8512
- Mito Ekinan Satellite: 2F Sangyokaikan, 2-2-35 Sakuragawa, Mito, 310-0801
- Hitachi Campus: 4-12-1 Nakanarusawa-cho, Hitachi, 316-8511
- Water Environmental Field Station: 1375 Ohu, Itako, 311-2402
