is a city located in à Âita Prefecture, Japan. , the city had an estimated population of 32,846 in 15706 households, and a population density of 54 persons per km<sup>2</sup>. The total area of the city is .
Bungo-à Âno is located in southern à Âita Prefecture, approximately 35 kilometers south of the prefectural capital at à Âita City. With the exception of the center of the former Mie Town (which is the main urban center), most of the city area is hills and forests, and on the border with Miyazaki Prefecture, there is the 1756 meter Mount Soboyama and the lesser peaks of the Kyushu Mountains. Parts of the city are within the borders of the Sobo-Katamuki Quasi-National Park.
Bungo-à Âno has a humid subtropical climate (Köppen climate classification Cfa) with hot summers and cool winters. Precipitation is significant throughout the year, but is somewhat lower in winter. The average annual temperature in Bungo-à Âno is . The average annual rainfall is with June 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 Bungo-à Âno was on 27 July 2008; the coldest temperature ever recorded was on 11 February 1996.
Per Japanese census data, the population of Bungo-Ã Âno in 2020 is 33,695 people. Bungo-Ã Âno has been conducting censuses since 1960.
The area of Bungo-à Âno was part of ancient Bungo Province. During the Edo period the entire area was part of the holdings of Usuki Domain and was ruled by the Inaba clan until the Meiji restoration. The village of Mie within à Âno District, à Âita was established on May 1, 1889 with the creation of the modern municipalities system. It was raised to town status on April 4, 1902. The city of Bungo-à Âno was established on March 31, 2005, from the merger between Mie and the towns of Asaji, Inukai, Ogata and à Âno, and the villages of Chitose and Kiyokawa (all from à Âno District).
Bungo-à Âno has a mayor-council form of government with a directly elected mayor and a unicameral city council of 18 members. Bungo-à Âno contributes two members to the à Âita Prefectural Assembly. In terms of national politics, the city is part of the à Âita 2nd district of the lower house of the Diet of Japan.
The economy of Bungo-à Âno is overwhelmingly agricultural, although due to ease of access to à Âita city, commuter town developments are growing. In 2012, the growing deer population began to greatly affect the shiitake mushroom farming industry.
Bungo-à Âno has 11 public elementary schools and seven public junior high schools operated by the city government. The city has one public high school operated by the à Âita Prefectural Board of Education. The prefecture operates one agricultural training college.