Xenia is a city in Greene County, Ohio, United States, and its county seat. Located in southwestern Ohio, it is 15 miles east of Dayton and is part of the Dayton metropolitan area as well as the Miami Valley region. History Xenia Historical Society Memorial : r/tornado Xenia, Ohio, founded in 1803, is known as the "City of Hospitality," named after the Greek word for hospitality. It was established the same year Ohio became a state and was strategically located at the forks of the Shawnee Creeks. The city experienced significant growth following the arrival of the Little Miami Railroad in the 1840s. A devastating F5 tornado struck Xenia in 1974, causing widespread destruction and highlighting the community's resilience as it rebuilt. What is Xenia, Ohio known for? Things to Do in Xenia, Ohio Xenia, Ohio, is known as the "City of Hospitality," a name derived from the Greek word "Xenia" meaning hospitality. It's also known for its friendly, family-oriented community, its location on the Greene Trails, and being the Bicycle Capital of the Midwest. The city also has a rich history, including a devastating tornado in 1974.