 A suburb of Green Bay, Wisconsin, Ashwaubenon is part of the Green Bay Metropolitan Statistical Area and carries a Green Bay mailing address.Part of the Oneida Nation of Wisconsin is in Ashwaubenon.The U.S. military bought most of the west side of Green Bay, Wisconsin from the Sioux in the 1850s and 1860s, except the area that would later become Ashwaubenon.