a-rosa_luna | builder | neptun_werft <sep> the a-rosa luna is a german river cruise ship, cruising in the rhone – saône basin the ship was built by neptun werft gmbh at their shipyard in warnemünde, germany, and entered service in 2005 her sister ship is a-rosa stella her home port is currently rostock 
the builder of the a-rosa is neptun werft.neptun werft gmbh built the ship at their shipyard in warnemünde, germany