Periplus of the Seas achievement in Imperator: Rome

As Egypt, own or have a subject own the Aegean Islands, Rhodes, Sicily, Sardinia, Cyprus, Alalaiou (Dahkla), Devada, Diouscourides (Socotra), Tylos (Bahrain), Sri Lanka, Mliet/Malta, Yermena, Corsica, Gymnaesia (Baleares), Korkyra and Qarkna.