Iiyama is a city located in Nagano Prefecture, Japan. As of 1 February 2019, the city had an estimated population of 20,118 in 7372 households, and a population density of 99 persons per km2. The total area of the city is 202.43 square kilometres (78.16 sq mi). It markets itself as "Japan's Hometown" and is known as the "Little Kyoto of Snow Country".