Apollonia is a location in Barbie as The Island Princess. It is a kingdom ruled by King Peter and Queen Danielle. Their son Prince Antonio brings Rosella to Apollonia so she can see civilization after being shipwrecked on an island for ten years. After Prince Antonio's marriage with Princess Rosella, they became the heirs to throne after King Peter and his wife. However, even before his marriage to Rosella, Antonio was still the crown prince.
| Barbie as The Island Princess |
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 Quote: "There may be miracles awaiting. They may be closer than we know. When we have love to guide us as we go" Characters: Azul | King Peter | Nat, Pat, and Matt | Pearl | Prince Antonio | Princess Gina | Princess Luciana | Princess Rita | Princess Rosella | Princess Sofia | Queen Ariana | Queen Danielle | Queen Marissa | Sagi | Tallulah | Tika | Tiny Locations: Apollonia | Island | Paladia Songs: "A Brand New Shore" | "Always More" | "At The Ball" | "Here On My Island" | "I Need to Know" | "I Need To Know (Pop Version)" | "Love Is For Peasants" | "Right Here In My Arms" | "Right Here In My Arms: Greenhouse" | "Right Here In My Arms: Reunion" | "The Rat Song" | "When We Have Love" |