Tsuruga is a city located in Fukui Prefecture, Japan. As of 29 June 2018, the city had an estimated population of 66,123 in 28,604 households and the population density of 260 persons per km2. The total area of the city was 251.39 square kilometers (97.06 sq mi).

Fukui Prefecture is a prefecture of Japan located in the Chūbu region of Honshū. Fukui Prefecture has a population of 778,943 and has a geographic area of 4,190 km2. Fukui Prefecture borders Ishikawa Prefecture to the north, Gifu Prefecture to the east, Shiga Prefecture to the south, and Kyoto Prefecture to the southwest.