Jirushi City is a city located on the primary Luthien continent of Hokkaido, just south of the planet's equator and west of the Obsidian Sea. Jirushi City's population, including the surrounding area, is less than one million.
- Jihad Turning Points: Luthien, pp. 3-4, "Atlas"
- Jihad Turning Points: Luthien, p. 19, "Hex map"