Union is a city in Montgomery and Miami Counties in the U.S. state of Ohio. The population was 6,419 at the 2010 census. It is part of the Dayton Metropolitan Statistical Area.

Union is located at 39°54′1″N 84°18′49″W / 39.90028°N 84.31361°W / 39.90028; -84.31361 (39.900154, -84.313494).

According to the United States Census Bureau, the city has a total area of 7.138 square miles. The Stillwater River runs on its east side.

One major state highway, State Route 48, runs north and south through Union. In Union, State Route 48 is known as Main Street.

Other notable streets in Union include Martindale Road, Sweet Potato Ridge Road, and Phillipsburg-Union Road.

The city of Union, Ohio, the county seat of Adams County, actually lies about 88 miles southeast of Union.

-The popular YouTube show and WB pilot "Nobody's Watching" stars two characters who are natives of Union.

Union has a mayor/council/manager form of government. The current mayor is Michael O'Callaghan, and John P. Applegate is Union's City Manager.

Ohio (ⁱ/oʊˈhaɪ.oʊ/) is a state in the Midwestern United States. Ohio is the 34th most extensive, the 7th most populous, and the 10th most densely populated of the 50 United States. The state's capital and largest city is Columbus.

The name "Ohio" originated from Iroquois word ohi-yo’, meaning "great river". The state, originally partitioned from the Northwest Territory, was admitted to the Union as the 17th state (and the first under the Northwest Ordinance) on March 1, 1803. Although there are conflicting narratives regarding the origin of the nickname, Ohio is historically known as the "Buckeye State" (relating to the Ohio buckeye tree) and Ohioans are also known as "Buckeyes".

The government of Ohio is composed of the executive branch, led by the Governor; the legislative branch, which comprises the Ohio General Assembly; and the judicial branch, which is led by the Supreme Court. Currently, Ohio occupies 18 seats in the United States House of Representatives. Ohio is known for its status as both a swing state and a bellwether in national elections.

Alison Maria Krauss (born July 23, 1971) is an American bluegrass-country singer, songwriter and fiddler. She entered the music industry at an early age, winning local contests by the age of ten and recording for the first time at fourteen. She signed with Rounder Records in 1985 and released her first solo album in 1987. She was invited to join the band with which she still performs, Alison Krauss and Union Station (AKUS), and later released her first album with them as a group in 1989.

She has released fourteen albums, appeared on numerous soundtracks, and helped renew interest in bluegrass music in the United States. Her soundtrack performances have led to further popularity, including the O Brother, Where Art Thou? soundtrack, an album also credited with raising American interest in bluegrass, and the Cold Mountain soundtrack, which led to her performance at the 2004 Academy Awards. As of 2012, she has won 27 Grammy Awards from 41 nominations, making her the most awarded living recipient, and three back of the most honoured artist, classical conductor Sir Georg Solti. She is also the most awarded singer and the most awarded female artist in Grammy history. At the time of her first award, at the 1991 Grammy Awards, she was the second youngest winner ever (currently tied as third youngest).