Berger is a city in Franklin County, Missouri, United States south of the Missouri River. The population was 206 at the 2000 census. The first settlement in Berger was in 1818. Berger is home to Bias Vineyards-Gruhlke's Microbrewery, and Bias Vineyards. It is within the Hermann American Viticultural Area, recognized in 1983 as a distinct wine region by the federal government. The seven wineries in the AVA produce one-third of the annual state total of wine.