2019-6-10 · Coordinates Lager Norderney was a Nazi concentration camp on Alderney, in the Channel Islands, named after the East Frisian island of Norderney. The Germans built four concentration camps on the island, subcamps of the Neuengamme concentration camp (in Hamburg, Germany).Each subcamp was named after one of the Frisian Islands: Lager Norderney at Saye, Lager Borkum at Platte Saline, Lager …