Коморо: Город в префектуре Нагано, Япония

Komoro (小諸市) is a city located in Nagano Prefecture, Japan. as of 2019, the city had an estimated population of 42,489 in 18776 households, and a population density of 430 persons per km². Its total area is .

Komoro is located in eastern Nagano Prefecture. The Chikuma River flows through the southern and western part of the city. Some extinct volcanic mountains are located between Komoro and neighboring Tsumagoi. The highest point in Komoro is Mt. Kurofu (ja). Its peak is above sea level. The lowest point is The old city center is at about There are many slopes, so Komoro is known as a "hilly city" (坂の町).

Komoro is far from the sea and surrounded by mountains, so the rainfall is lower and diurnal temperature range is greater than many locations in Japan, and average annual temperature of Komoro is relatively cool because of the high altitude. The city has a climate characterized by hot and humid summers, and relatively mild winters (Köppen climate classification Cfa). The average annual temperature in Komoro is 10.8 °C. The average annual rainfall is 1108 mm with September as the wettest month. The temperatures are highest on average in August, at around 23.9 °C, and lowest in January, at around 1.7 °C.

Per Japanese census data, the population of Komoro peaked at around the year 2000 and has declined slightly since.

The area of present day Komoro was part of ancient Shinano Province. The Tōsandō, one of the national routes passed Komoro, which was the location of an Umaya (駅), or post station for government officials and army. However, the name "Komoro" first appears in written history in the Kamakura period chronicle, Azuma Kagami. In those days, Komoro Tarō Mitsukane (小諸太郎光兼), a gokenin, was assigned by the shogunate to govern the area. During the Muromachi period, the region came under the control of the Ogasawara Ōi clan. The area had a very unsettled history during the Sengoku period. Under the Edo period Tokugawa shogunate, much of the area was under the control of Komoro Domain and the town developed into a jōkamachi around Komoro Castle.

The modern town of Komoro was established on April 1, 1889 with the establishment of the Meiji period municipalities system. The town of Komoro annexed villages of Kawabe, Kitaoi and Osato (all from Kitasaku District) on February 1, 1954. The city of Komoro was established on April 1, 1954 after absorbing the villages of Minamioi and Mitsuoka (both from Kitasaku District). On April 1, 1959, parts of the town of Tōbu (now part of the city of Tōmi) was merged into Komoro and the city has been unchanged since.

Komoro has a mayor council form of government with a directly elected mayor and a unicameral city legislature of 19 members.

Komoro is a regional commercial center and has a primarily agricultural economy based on cultivation of rice, vegetables and fruits. Among agricultural products in Komoro, potatoes, soba, apples, and peaches are popular. Komoro has many soba restaurants and apple orchards, so a lot of visitors come there from Shutoken. Komoro is also known for its miso.

Komoro has six public elementary schools and two public middle schools operated by the city government. There are two public high schools operated by the Nagano Prefectural Board of Education.

Tōson Shimazaki, poet and writer. Toson spent a period teaching in Komoro, and is featured in a dedicated museum located within Komoro's Kaikoen park. Sodo Yokoyama , a leaf flute Zen Master who lived as a hermit in Komoro's Kaikoen Park until 1980. Yokoyama was inspired by an earlier resident of Komoro, the poet and writer Shimazaki Toson. See Arthur Braverman's excellent article for some personal recollections of Yokoyama. Shuichi Abe, the current governor of Nagano prefecture. He and his family have been living in Komoro since 2014. Kuniaki Kobayashi, Japanese professional wrestler for AJPW and NJPW. He was born and raised in Komoro, Nagano.