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 2017, the city has an estimated population of 56,859 and a population density of 7,219 persons per km². The total area is 7.72 km²(2.98 sq mi). According to the provisional results of the 2015 national census of Japan, the population of Muko is 56,859; of which male and female are 27,119 and 29,740 respectively.