was a short-lived province located in Hokkaidō, corresponding to all of modern-day Rumoi Subprefecture and the northern half of Kamikawa Subprefecture. History After 1869, the northern Japanese island was known as Hokkaido; and regional administrative subdivisions were identified, including Teshio Province. August 15, 1869 Teshio Province established with 6 districts 1872 Census finds a population of 1,576 1882 Provinces dissolved in Hokkaidō Districts Mashike (増毛郡) Rumoi (留萌郡) Tomamae (苫前郡) Teshio (天塩郡) Nakagawa (中川郡) Kamikawa (上川郡) Notes References Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ; OCLC 58053128 Former provinces of Japan