Ig Castle (Slovene: Grad Ig or Ižanski grad, also known as Grad Iški Turn, Turnek[1]), also Sonnegg Castle (German: Schloß Sonnegg)[2][3] or Zonek Castle (Slovene: grad Zonek),[4] stands on Pungart Hill (elevation 366 m) above the settlement of Ig, on the southern outskirts of Ljubljana, the capital of Slovenia.