Harmony is a city in Fillmore County, Minnesota, United States. The population was 1,020 at the 2010 census. The town bills itself as the "Biggest Little Town in Southern Minnesota" and features the largest Amish community in the state.

Preston is a city and the county seat of Fillmore County, Minnesota, United States. The population was 1,325 at the 2010 census. The Root River runs through it, and Mystery Cave State Park is nearby. It bills itself as "America's Trout Capital," with a 20-foot trout placed along Minnesota State Highway 16.