is a city in Kumamoto Prefecture, Japan. The city was founded on April 1, 1954. On January 15, 2005, Yamaga absorbed the towns of Kahoku, Kamoto, Kaō and Kikuka (all from Kamoto District) to create the new and expanded city of Yamaga. As of March 31, 2017, the city has a population of 53,404 and a population density of 180 persons per km2. The total area is 299.67 km2. Geography Surrounding municipalities Kumamoto Prefecture Gyokutō Kikuchi Kumamoto Nagomi Fukuoka Prefecture Yame Ōita Prefecture Hita Climate Yamaga has a humid subtropical climate (Köppen climate classification Cfa) with hot, humid summers and cool winters. There is significant precipitation throughout the year, especially during June and July. The average annual temperature in Yamaga is . The average annual rainfall is with July 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 Yamaga was on 21 August 2013 and 8 August 2015; the coldest temperature ever recorded was on 19 February 1977. Demography According to Japanese census data, this is the population of Yamaga in recent years. Local attractions Attractions include the Kumamoto Prefectural Ancient Burial Mound Museum. Yamaga Bon-dancing Lantern Festival, every August event Yachio-za Traditional Teather Notable people Kiyoura Keigo, politician Raizō Matsuno, politician Yorihisa Matsuno, politician Ikuo Kabashima, politician Shin'ichi Etō, baseball player Kōhei Miyazaki, football player Sō Kawahara, football player Chiyohakuhō Daiki, sumo wrestler Daiki Inaba, professional wrestler Mayumi Aoki, swimmer Ryōtarō Araki, football player References External links Cities in Kumamoto Prefecture