Chà Âshi (, ) is a city located in Chiba Prefecture, Japan. , the city had an estimated population of 59,174 in 27,160 households and a population density of . The total area of the city is .
Chà Âshi is located in the northeastern part of Chiba prefecture, about 65 kilometers from the prefectural capital at Chiba and 90 to 100 kilometers from central Tokyo. Cape Inubà Â, within the city, is the easternmost point in the Kantà  region. Chà Âshi is noted for its dramatic sea coast on the Pacific Ocean. The Tone River runs through the northern part of the city. Takagami Atagoyama (elevation 73.6 meters) is the highest peak.
Chiba Prefecture
Ibaraki Prefecture
Chà Âshi has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Chà Âshi is . The average annual rainfall is with October as the wettest month. The temperature is highest on average in August, at around , and lowest in January, at around .
Per Japanese census data, the population of Chà Âshi in 2020 is approximately 58,000.
Chà Âshi has been noted as a fishing port since ancient times. The commercial fishing and soy sauce industries were developed in Chà Âshi by the Tokugawa shogunate during the Edo period (1603–1868). Their development continued in the early industrialization of Japan in the Meiji period (1868–1912). The town of Chà Âshi was established with the creation of the modern municipalities system on April 1, 1889. Noted soy sauce producer Yamasa was incorporated in 1928, and Higeta in 1932. Chà Âshi was elevated to city status on February 11, 1933.
Chà Âshi was a center of industrial unrest in the early 20th century; there were numerous strikes and labor disputes at the soy sauce factories, and residents attacked the government offices in 1930 over heavy taxation and unaccounted expenditures by municipal authorities.
Chà Âshi was an important military target during World War II due to its fishing industry and canneries. Before and during the war, Chà Âshi was Tokyo's main food supplier. The first air raid on Chà Âshi by USAAF B-29 Superfortress bombers took place on March 10, 1945, causing minor damage. This was followed by the Chà Âshi Air Raid of July 19, 1945, during which time over 150 B-29s rained bombs on the city, destroying 33.8% of the urban area, killing 1,181 civilians and destroying 5,142 homes. The city was bombed again on August 1, 1945. Emperor Hirohito made an official visit to the ruined city on June 6, 1946, after the surrender of Japan.
Chà Âshi has a mayor-council form of government with a directly elected mayor and a unicameral city council of 18 members. Chà Âshi contributes two members to the Chiba Prefectural Assembly. In terms of national politics, the city is part of Chiba 10th district of the lower house of the Diet of Japan.
Chà Âshi is known as a center of soy sauce production. Production methods were introduced to Chà Âshi in 1616 from Settsu Province, and later from Kii Province, both near the Seto Inland Sea. Soy sauce manufacturers Higeta and Yamasa are based in Chà Âshi. The Port of Kashima in nearby Kashima City, Ibaraki Prefecture, is utilized to import soybeans for use in soy sauce production. The remains of soybeans not used in soy sauce production in Chà Âshi are returned to Kashima for production into feed for livestock.
The city is home to the Chà Âshi Fishing Port. Its catches of sardines, bonito, and tuna are the largest in Chiba Prefecture. Wind power is actively being developed off the rugged coast of Chà Âshi for use in the city and the greater Tokyo Metropolitan Area. Amber is also found in the area.
Prefectural high schools:
The municipal high school is .
There is also a private high school, the .
JR East â Sà Âbu Main Line
JR East â Narita Line
Chà Âshi Electric Railway Company â Choshi Electric Railway Line
Chà Âshi is home to Inubà Âsaki Lighthouse, completed in 1874 by Scotsman Richard Henry Brunton, as well as numerous historic temples, including Enpuku-ji and Mangan-ji.
Chà Âshi has two sister cities: