Hidaka (Japanese: 日高 sun-tall) may refer to: People Hidaka (surname) Princess Hidaka, birth name of Empress Genshō Places in Japan Populated places Hidaka, Saitama, a city in Saitama Prefecture Hidaka, Kōchi, a village in Kochi Prefecture Hidaka, Hyōgo, a former town in Hyōgo Prefecture Hidaka, Wakayama, a town in Hidaka District in Wakayama Prefecture Hidaka, Hokkaidō, a town in Hidaka Subprefecture, Hokkaidō Administrative divisions Hidaka District, Wakayama in Wakayama Prefecture Hidaka District, Hokkaidō, a district in Hidaka Subprefecture, Hokkaidō Hidaka Subprefecture, a subprefecture of Hokkaidō Geographic features Hidaka Mountains, a mountain range in Hokkaidō Hidaka Pass, a mountain pass in the Hidaka Mountains