Sirmione is a comune in the province of Brescia, region Lombardy. It has a historical centre which is located along the peninsula of the same name which extends into Lake Garda for about 4 kilometers and divides the southern lake shore into two parts. Lake Garda, Italian: Lago di Garda or Lago Benaco is the largest lake in Italy. It is a popular holiday location in northern Italy, about halfway between Brescia and Verona, and between Venice and Milan on the edge of the Dolomites. Italy, Europe.