Sirmione (Brescian: Sirmiù; Venetian: Sirmion) is a comune in the province of Brescia, in Lombardy (northern Italy). It is bounded by Desenzano del Garda (Lombardy) and Peschiera del Garda in the province of Verona and the region of Veneto. It has a historical centre which is located on the Sirmio peninsula that divides the lower part of Lake Garda.