Wil is the capital of the Wahlkreis of Wil in the canton of St. Gallen in Switzerland. Wil is the third largest city in the Canton of St. Gallen, after the cities of St. Gallen and Rapperswil-Jona, which is a twin city that merged in 2006. The municipality of Bronschhofen merged into Wil on 1 January 2013. After the merger the Community Identification Number changed from 3425 to 3427. In 1984, Wil was awarded the Wakker Prize for the development and preservation of its architectural heritage.