Otsego is basically a national American word, which means "Place of Rock". It also refers to name of various places that all over United States, namely; it is the name of a city that is situated in Allegan County in the US state of Michigan. It lies within the Otsego Township. You also have Otsego Lake Township that is situated in the township in the Otsego County, Michigan, United States. It also stands as the name of a city that is situated in Wright County, Minnesota, United States.