Ikaruga is a town in Ikoma District, Nara, Japan. As of 31 December 2024, the town had an estimated population of 28,036 in 12,292 households, and a population density of 2000 persons per km2. The total area of the town is 14.27 km2 (5.51 sq mi) Ikaruga is home to Hōryū-ji and Hokki-ji, ancient Buddhist temples collectively inscribed as UNESCO World Heritage Sites. Other ancient temples include Hōrin-ji, also in the vicinity of Hōryū-ji. The town was named after the palace of Prince Shōtoku, Ikaruga-no-Miya, whose grounds were at Hōryū-ji.