Marco Polo is a fictional ship girl in Azur Lane, based on the historical explorer and merchant rather than a traditional warship. She appears as a Sardegna Empire character and is portrayed as confident, ambitious, and highly self-assured. In the series, she serves as a notable figure within her faction, often associated with authority, strategy, and grand aspirations. Her personality and dialogue emphasize pride and a strong sense of purpose, making her stand out as a memorable supporting character.