was a village located in Yūki District, Ibaraki Prefecture, Japan. On January 1, 2006, Chiyokawa was merged into the expanded city of Shimotsuma. As of 2003, the village had an estimated population of 9,589 and a density of 483.56 persons per km². The total area was 19.83 km². External links Shimotsuma official website Dissolved municipalities of Ibaraki Prefecture Shimotsuma, Ibaraki