The Oshima Peninsula (渡島 半島 Oshima-hantō) is the southernmost part of Hokkaidō, the northernmost of the Japanese islands. Where the peninsula starts is...

(Hokkaidō) Hokuto City Hometown Museum Hakodate City Museum Shinori-date 北海道渡島半島における戦国城館跡の研究 : 北斗市矢不来館跡の発掘調査報告 [Archaeological research for Sengoku castle...

towns b ↳ Hidaka 日高振興局 Urakawa Shinhidaka 76,084 4,811.97 7 towns 4 Oshima 渡島総合振興局 Hakodate Hakodate 433,475 3,936.46 2 cities 9 towns c ↳ Hiyama 檜山振興局...

Mishihase and Emishi. One of the places Hirafu went to was called Watarishima (渡島), which is often believed to be present-day Hokkaidō. However, many theories...