The AIDAstella is owned by Costa Crociere and its operator is German-based AIDA Cruises.
AIDA Cruises are based in Germany and owned by Costa Crociere. They operate the AIDAstella.
AIDA Cruises | location | Germany AIDAstella | operator | AIDA Cruises AIDAstella | owner | Costa Crociere AIDA Cruises | location | Germany AIDAstella | operator | AIDA Cruises AIDAstella | owner | Costa Crociere