Kougen province (Is2) was a Phoenix province of the Isawa family, home to the Hidden Temple, the Jagged Valley Lost Traveler Castle, and the secretive city of Gisei Toshi. The province was bordered by the Yosomono province (Is1) to the West, the Aoijiroi province (Is5) to the South, the Kinkaku province (Is3) to the East, being enveloped in the North by the lands of the Yobanjin tribes.