Gjirokastër Castle (Albanian: Kalaja e Gjirokastrës or Kalaja e Argjirosë) is a fortress in Gjirokastër, Albania (during Ottoman rule it was historically known as Ergiri while local Greeks referred to it as Argyrokastro, a name applied also to the castle). Gjirokastër Castle is situated at a height of 336 metres (1,102 ft).