Takayama is a city located in Gifu Prefecture, Japan. As of 1 January 2019, the city had an estimated population of 88,473 in 35,644 households, and a population density of 41 persons per km2. The total area of the city was 2,177.61 square kilometers (840.78 sq mi) making it the largest city by area in Japan. The high altitude and separation from other areas of Japan kept the area fairly isolated, allowing Takayama to develop its own culture over about a 300-year period.

Gifu Prefecture is a prefecture of Japan located in the Chūbu region of Honshu. Gifu Prefecture has a population of 1,991,390 and has a geographic area of 10,621 square kilometres (4,101 sq mi). Gifu Prefecture borders Toyama Prefecture to the north; Ishikawa Prefecture to the northwest, Fukui Prefecture and Shiga Prefecture to the west, Mie Prefecture to the southwest, Aichi Prefecture to the south, and Nagano Prefecture to the east.