Winona is a city in and the county seat of Winona County, in the U.S. State of Minnesota. Located in picturesque bluff country on the Mississippi River, its most noticeable physical landmark is Sugar Loaf. The city is named after Princess We-Noh-Nah, daughter of Chief Wapasha (Wabasha) III. The population was 27,069 at the 2000 census. Its annual celebration, Steamboat Days, is held in the summer. It is known as the stained glass capital of the United States.