is a city located in Hyōgo Prefecture, Japan. , the city had an estimated population of 42,494 in 18242 households and a population density of 72 persons per km². The total area of the city is . Geography Kasai is located almost in the center of the Harima Plain, with forests in the north and low mountains in the south. The city measures approximately 12.4 kilometers east-west, and 19.8 kilometers north-south. The main rivers that flow here are the Manganji River, which is one of the tributaries of the Kako River, and the Fukkoji River, which is a tributary of the Manganji River. Neighbouring municipalities Hyōgo Prefecture Himeji Kakogawa Ono Nishiwaki Katō Taka Ichikawa Fukusaki Climate Kasai has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Kasai is 14.9 °C. The average annual rainfall is 1606 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.8 °C, and lowest in January, at around 3.5 °C. Demographics Per Japanese census data, the population of Kasai has remained relatively steady over the past 70 years. History The area of the modern city of Kasai was within ancient Harima Province. In the Edo Period, it was mostly tenryō territory administered directly by the Tokugawa shogunate with a small portion of the area under the control of Himeji Domain. The village of Hōjō was established within Kasai District with the creation of the modern municipalities system on April 1, 1889. Hōjō was elevated to town status on January 15, 1955. On April 1, 1967 Hōjō merged with the neighboring towns of Izumi and Kasai to form the city of Kasai. Government Kasai has a mayor-council form of government with a directly elected mayor and a unicameral city council of 15 members. Kasai contributes one member to the Hyogo Prefectural Assembly. In terms of national politics, the city is part of Hyōgo 4th district of the lower house of the Diet of Japan. Economy The economy of Kasai is centered around agriculture. Education Kasai has 11 public elementary schools and four public middle schools operated by the city government and two public high school operated by the Hyōgo Prefectural Department of Education. The prefecture also operates one special education school for the handicapped. Transportation Railway Hōjō Railway Company – Hōjō Line -