Sira Fortress crowns a small island — now a peninsula since causeway construction — at the eastern end of Aden harbour. The walls and bastions visible today are a mix of medieval Arab work, Ottoman repairs, and 19th-century British modifications, all on a steep volcanic outcrop that drops sheer into the sea on three sides.
The fortress is reached by a road up the rock from the Tawahi waterfront. From the upper ramparts the view takes in all of Aden — Crater to the east, Steamer Point to the west, the line of the breakwater enclosing the harbour. Conflict damage and neglect have closed parts of the site at various times; the climb is steep and exposed and wholly without shade.