The location of Ostrakin corresponds to Khirbet al-Fulusiya, which was a episcopal center in the fourth century AD. According to inherited tradition, the place is linked to the Prophet Habakkuk and the Messenger Simon.

Ostraken (Ancient Greek: Ὀστρακίνη, Latin: Ostrasina, Coptic: ⲟⲥⲧⲣⲁⲕⲓⲛⲏ, ⲧⲣⲁⲕⲓⲛⲏ) was an ancient Egyptian city at a site known as Ras Sterki, Felusia Island, or (El Felusia Island).