Fredonia is a village in Ozaukee County, Wisconsin, United States. As of the 2000 census, its population was 1,934. The village identifies itself as the birthplace of Flag Day, and is the home of the National Flag Day Foundation.
Fredonia is located at 43°28′6″N 87°57′6″W / 43.46833°N 87.95167°W / 43.46833; -87.95167 (43.468471, -87.95183).
According to the United States Census Bureau, the village has a total area of 1.4 square miles (3.7 km²), all of it land.