Part of its district became Heian-kyo (the ancient capital of Japan in current Kyoto) along with Kado District, which was its neighbor from ancient times, and is currently a main part of Kita Ward (Kyoto City) and Sakyo Ward of Kyoto City.
古代に隣接する葛野郡とともに郡域の一部が平安京となり、現在では京都市北区(京都市)・左京区の大半に相当する。