Sinsinawa is an unincorporate community in Grant County, Wisconsin, Wisconsin. The community is in the Town of Jamestown, and the Town of Hazel Green, one mile north of the border with Illinois. The community is 7.5 miles east of Dubuque, Iowa and 6.5 miles west of the village of Hazel Green, Wisconsin. The town is best known for being the mother house of the Sinsinawa Dominican Sisters.