Isonzo is a river in northeastern Italy, flowing through the region of Friuli Venezia Giulia. It originates in the Julian Alps and travels approximately 138 kilometers before emptying into the Adriatic Sea. The river is known for its stunning turquoise waters and scenic landscapes, making it a popular destination for outdoor activities like hiking and kayaking. The Isonzo River is historically significant due to its role in World War I, where it was the site of several battles between Italian and Austro-Hungarian forces. The river's challenging terrain and strategic location made it a focal point for military operations during the conflict.