Charlesburg (also Charlesburgh) is an unincorporated community in the town of Brothertown in Calumet County, Wisconsin, United States.

[4] The first settler was probably Anton Reinl, an immigrant from Bohemia which was then part of Austrian Empire.

Other early settlers were Raymond Lodes, Joseph Nadler, and Joseph Fisher.

It is considered part of the Holyland region in southern Calumet County.

This article about a location in Calumet County, Wisconsin is a stub.