Eisenzicken (Hungarian: Németciklény, Vasverőszék or Vasszék, Croatian: Nimski Cikljin) is a small community in Burgenland, Austria that belongs to the neighbouring village of Unterwart (Hun.
The old Hungarian name of the settlement proves that Vasverőszék was originally established as a community of iron ore workers.
Vasverőszék in the Middle Ages was part of the Upper Őrség microregion and the villagers were Hungarian frontier guards (őr) of the border-zone (gyepű) similarly than the people of Felsőőr (today Oberwart) and Alsóőr (today Unterwart).
According to the last Hungarian census in 1910 the population numbered 358 people (almost exclusively German).
There are several old peasant houses in the village giving it a distinct rural feel.