History of the Cyclades Roman province. Under Diocletian, there existed a “province of the islands” that included the Cyclades. Christianisation seems to have occurred very early in the Cyclades. The catacombs at Trypiti on Milos, unique in the Aegean and in Greece, of very simple workmanship, as well as the very close baptismal fonts, confirms that a Christian community existed on the island at least from the 3rd or 4th century. From the 4th century, the Cyclades again experienced the ravages of war. In 376, the Goths pillaged the archipelago. When the Roman Empire was divided, control over the Cyclades passed to the Byzantine
Kea (island) Kea (island) Kea (), also known as Tzia () and in antiquity Keos (, ), is a Greek island in the Cyclades archipelago in the Aegean Sea. Kea is part of the Kea-Kythnos regional unit. The Cyclades Islands are usually defined by laid-back Naxos and Paros, the more bohemian Mykonos and Ios and the picture perfect Santorini. Yet not many have heard of Kea – the closest Cyclades getaway to the mainland, but one that feels much, much further away. It is the island of the Cyclades complex that is closest to Attica (about 1 hour by ferry from Lavrio)