Castle Ostia

Castle Ostia is the home of the Ostian nobility in Fire Emblem: Rekka No Ken, and Fire Emblem: Fuin No Tsurugi.

Castle Ostia oversees the city of Ostia, which in turn is the capital of the Lycian territory of Ostia. Ostia is the head territory of the country of Lycia, being as the Marquess of Ostia is always head of the Lycian League.

Castle Ostia first technically appeared in Fire Emblem: Fuin No Tsurugi, although it was also appeared in the prequel Fire Emblem: Rekka No Ken realeased at a latter date.

Marquess' Of Ostia
During the course of Fire Emblem: Rekka No Ken and Fire Emblem: Fuin No Tsurugi, a few different Marquesses took the Ostian Throne. Just before the events of Fire Emblem: Rekka No Ken Hector and Uther's father was Marquess of Ostia.

Him and his wife sucum to illness just before the game however and Uther took their place. Uther lead Ostia for a realitively short time, being as, in Chapter 27 of Rekka No Ken Hector is made aware that his brother died of illness.

Hector becomes Marquess of Ostia upon returning to Lycia after the events of Fire Emblem: Rekka No Ken. Ther he starts a family and fathers a daughter, Lilina. Twenty years later though in the events of Fire Emblem: Fuin No Tsurugi Hector is killed in battle during the Bern invasion of Lycia.

After the end of Fire Emblem: Fuin No Tsurugi Hecto's daughter Lilina becomes ostia's Marquess.