Chiba Prefecture was established on June 15, 1873 with the merger of Kisarazu Prefecture and Inba Prefecture.
Chiba borders Ibaraki Prefecture to the north at the Tone River, Tokyo and Saitama Prefecture to the west at the Edo River, the Pacific Ocean to the east and Tokyo Bay around its southern boundary.
Chiba's population is one of the wealthiest in Japan due to the prefecture's strong commercial and industrial sectors.
Chiba prefecture (Japanese: 千葉県; Hepburn: Chiba-ken) is located on the east side of the main Honshu island, Japan.
Chiba borders Ibaraki prefecture to the north at the Tone River, Tokyo and Saitama prefecture to the west at the Edo River, and the Pacific Ocean and Tokyo Bay around its southern boundary.
Southern Chiba is connected to Kanagawa Prefecture by the Tokyo Bay Aqualine road tunnel.