is a city in Tokushima Prefecture, Japan. , the city had an estimated population of 70,285 in 31313 households and a population density of 250 persons per km².The total area of the city is . Geography Anan is located in the southeastern part of Tokushima Prefecture and is the easternmost municipality on the island of Shikoku. The east faces the Kii Channel and the Pacific Ocean, and is the northern end of Muroto-Anan Kaigan Quasi-National Park. The city is at the mouth of the Naka River, which is the longest river in the prefecture, and the Kuwano River runs through the city. The city has two main urban centers: the Tokushima district, which is a former castle town, and the Tachibana district, which is a port city. Neighbouring municipalities Tokushima Prefecture Komatsushima Katsuura Naka Minami Climate Anan has a humid subtropical climate (Köppen climate classification Cfa) with hot summers and cool winters. Precipitation is high, but there is a pronounced difference between the wetter summers and drier winters. The average annual temperature in Anan is . The average annual rainfall is with September as the wettest month. The temperatures are highest on average in August, at around , and lowest in January, at around . The highest temperature ever recorded in Anan was on 11 August 2013; the coldest temperature ever recorded was on 26 February 1981. Demographics Per Japanese census data, the population of Anan in 2020 is 69,470 people. Anan has been conducting censuses since 1920. History As with all of Tokushima Prefecture, the area of Anan was part of ancient Awa Province. The Naka River valley was settled since at least the Kofun period, and archaeologists have found many kofun burial mounds and the traces of Japan's oldest cinnabar mine. During the Edo period, the area was part of the holdings of Tokushima Domain ruled by the Hachisuka clan from their seat at Tokushima Castle. Following the Meiji restoration, it was organized into 17 villages within Naka District, Tokushima with the creation of the modern municipalities system on October 1, 1889, including the villages of Tomioka and Tachibanaura. Tomioka was raised town status in 1905 and Tachibanaura became Tachibana town in 1912. The two towns merged on May 1, 1958 to form the city of Anan. On March 20, 2006, the towns of Hanoura and Nakagawa (both from Naka District) were merged into Anan. Government Anan has