Grodno Old Castle - historically complex fortifications. Originated in the days of the ancient Russian state. Repeatedly collapsed, was restored and rebuilt. In its planning and architecture are found many layers vekov.Zamok situated on a high and steep hill on the right bank of the Niemen at the confluence of the rivers Gorodnichanka. Topography determined the outline plan of the castle, close to the triangle. The length of the fortress walls reached almost 300 m at an average thickness of about 3 m walls of unequal height and had ended with teeth. From the outside, they, like the tower, propped buttresses. Separated from the town castle and deep ravine rvom.V 80s XVI century. Stefan Batory at the old castle was subjected to a radical change. Vytautas of fortifications were used only the walls and some towers. The palace was rebuilt by Italian architect Scotto from Parma. Now in the old castle houses Grodno Historical and Archaeological Museum.