neptun_werft | locationcity | rostock <tsp> germany | leadername | joachim_gauck <tsp> rostock | country | germany <tsp> a-rosa_luna | builder | neptun_werft <sep> neptun werft is a german shipbuilding company, headquartered in rostock since 1997 it has been part of the meyer neptun group together with meyer werft in papenburg 
the builder of the a-rosa is neptun werft who are located in rostock. joachim gauck is a leader in germany which is where rostock is located.rostock neptun werft is a german shipbuilding company headquartered in rostock