as defence from himself and other Vis inhabitants against possible Ottoman attacks on the town. The castle walls are divided by horizontal garlands whilst there are openings for cannons and loopholes along the walls. There are square sentry boxes standing on consoles at the corners of the tower whilst acroterions adorn their roof part. The tower was entered from a door situated on the first floor, which connected to Perasti's house by means of a wooden bridge. As this was the only in the door the tower, all equipment was brought inside along the wooden bridge and through it. The tower was armed with small bronze cannons that are mentioned in documents in the 17th in the 18th century. It was forbidden to build walls, houses and other facilities around the tower that would impede the defensive action of the cannons situated within it. Our Lady's Battalion (Gospina batarija) is the main fortress built by the Austrians during their reign over the island. It was built in 1830s, in the very heart of Vis Bay, in a place known as Levaman. Following the Italian occupation of Vis, this fortress was renamed Batteria della Madonna. The fortress surrounded by a 2 m deep trench whilst defence walls are inclined and made of finely worked stone. Entrance the fortress is from the eastern wing, constructed as an arch, with well worked stone protruding from a wall. The fortress itself was entered by means of a wooden drawbridge into a spacious rectangular courtyard on the bottom of which was a well to supply water to the fortress. In the southern part of the courtyard is an elevated embankment surrounded by a high inclined wall on which there were once cannons. Below the embankment is a lovely parabolic arched vault with storage spaces and a dungeon. The main building is to be found in the southern part with a single storey and floor were command of the island and a barracks for the accommodation of officers and soldiers were situated. During the remarkable Battle of Vis, which took place from July 18 to July 20, 1866, it played an important role, damaging the Italian ship, , captained by Simone Antonio Saint-Bon. Fort George was built by the British when Austrian Imperial authority in region was ceded to the French as a part of a humiliating peace settlement dictated by Napoleon. Fearing Napoleon would turn