Billings is the largest city in the state of Montana, located in the United States. It was the most populous city in Montana. Situated in the south-central part of the state, Billings serves as a regional hub for commerce, transportation, and culture. It had a population of 117,116 as of the 2020 census.

The Moss Mansion, located in Billings, Montana, is a historic house museum built in 1903 for Preston and Martha Moss. Designed by architect Henry Janeway Hardenbergh, it features 28 rooms and showcases a blend of architectural styles, including English Renaissance and Moorish influences.