Frankenmuth is a city in Saginaw County in the U.S. state of Michigan. The population was 4,838 at the 2000 census. The city is locate within Frankenmuth Township, but is politically independent. Bronner's Christmas Wonderland, which bills itself as the World's Largest Christmas Store, is located in Frankenmuth. The most popular nickname is "The Muth", but the city is also nicknamed "Little Bavaria" (see history below).