7th Sea RPG: Pirate Nations - Rules of Play says:
This book contains material for 7th Sea: Second Edition including new Backgrounds, Advantages, Stories and Sorceries. It also includes five new Pirate Nations. Pirate Nations also includes new setting materials for 7th Sea featuring the Devil Jonah, the dreaded Reis and Theah’s first multinational, the Atabean Trading Company. There be adventure aplenty in these lands, more than any one crew can hope to see in a lifetime.