Mukō (向日市, Mukō-shi) is a city in Kyoto Prefecture, Japan, which served as the capital city of Japan (Nagaoka-kyō) for a decade from 784 to 794. Its neighbor cities are Kyoto and Nagaokakyō. As of 2014, the city has an estimated population of 53,587 and a population density of 6,986.57 persons per km². The total area is 7.67 km²(2.96 sq mi).