Çarpanak Island (Turkish: Çarpanak Adası) or Ktuts or Ktouts (Armenian: Կտուց կղզի Ktuts kghzi), is a small island in Lake Van. It is now uninhabited, but formerly contained an Armenian monastery called Ktuts. The ruins of it can still be seen.
Coordinates: 38°36′24″N 43°05′08″E / 38.606553°N 43.085581°E