Its southern end is connected to a more populous island by the longest undersea tunnel in the world, the Seikan Tunnel.
Located off the Northwest corner of this island are Rebun Island and La Perouse Strait. Its southern end is connected to a more populous island by the longest undersea tunnel in the world, the Seikan Tunnel. Its biggest cities are Hakodate, Asahikawa, and Sapporo. Name the second largest Japanese Island, which is North of Honshu.
Located off the Northwest corner of this island are Rebun Island and La Perouse Strait.
Hokkaido (or (Ainu) Mosir)