Yūfutsu District, Hokkaido
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Towns and villages
- 1869 - With the establishment of provinces and districts in Hokkaido, Yūfutsu District, Iburi Province is created
- 1897 - Placed under Muroran Subprefecture (later renamed Iburi)
- 1906 - Shimukappu Village transferred to Kamikawa Subprefecture
- 1948 - Tomakomai City established, leaving Yūfutsu District
- On March 27, 2006 - the towns of Hayakita and Oiwake merged to form the new town of Abira.
- On March 27, 2006 - the towns of Hobetsu and Mukawa merged to form the new town of Mukawa, now with a different writing.