Aosta - Porta Pretoria

The old town of Aosta is still surrounded by well-preserved Roman town walls, forming a rectangle 724 by 572m/792 by 626yd, with twenty towers. The east gate or Porta Praetoria, originally three-arched, lies some 2.5m/8.25ft below the present street-level, with a spacious courtyard at the rear. Close by is the square tower of a medieval castle which belonged to the Lords of Quart.