At Malborghetto Valbruna, 400 soldiers held a blockhouse against 15,000 Frenchmen between 15 and 17 May and only 50 men survived.
The southwestern Canal Valley (Val Canale) with the town of Malborghetto Valbruna was ceded to the Kingdom of Italy by the 1919 Treaty of Saint-Germain.
Chiusaforte borders the following municipalities: Dogna, Malborghetto Valbruna, Moggio Udinese, Bovec (Slovenia), Resia, Resiutta, Tarvisio.