The Amilakhvari fortress tower of Pkhvenisi is cylindrical (diameter 10 m, wall thickness 2 m), built mainly of cobblestone; the domed vault of the first story, the jambs of the niches and the arched openings are of brick. The building is damaged — the second-story walls are almost completely destroyed. The circular first story is covered with a domed vault, with an arched entrance from the southwest, and is lit by two narrow, tall rectangular windows