was a supply ship of the Kriegsmarine
that operated during the Second World War
in the Indian Ocean
and Pacific Ocean
. It was named after the Kulmerland
region of Prussia, with the city of Kulm
, which in 1920 was made part of the Polish Corridor
It supplied German auxiliary ships (surface raiders) such as the Kormoran, Orion and Komet, for a time disguised as a Japanese merchant ship Tokyo Maru.