Shimonoseki

is a city located in Yamaguchi Prefecture, Japan. , the city had an estimated population of 248,193 in 128762 households and a population density of 350 persons per km². The total area of the city is . It is the largest city in Yamaguchi Prefecture and the fifth-largest city in the Chūgoku region in terms of population. It is nicknamed the "Fugu Capital" for the locally caught pufferfish, and is the largest harvester of the pufferfish in Japan. Geography Shimonoseki is located at the westernmost point of Yamaguchi Prefecture and the westernmost point of Honshu. It borders the Sea of Japan to the west and the Seto Inland Sea to the south across the Kanmon Straits. It is long in the north-south direction and has a fan shape that opens to the Seto Inland Sea. The Asa River flows from the north to the central area, and the Ariho River flows from the northeast to the east, flowing south into the Seto Inland Sea. The city hall is located on the west bank of the Ariho River mouth. Neighbouring municipalities Yamaguchi Prefecture Nagato San'yō-Onoda Mine Climate Shimonoseki has a humid subtropical climate (Köppen climate classification Cfa) with hot summers and cool winters. Precipitation is significant throughout the year, but is heavier in summer.