Within the Cyclades, Dodecanese, and Sporades island groups, there are certain towns that serve as hubs for travel to and from other islands within each group.
Cyclades is the largest group of islands, followed by Sporades.
mnli hypothesis: Cyclades is the largest group of islands, followed by Sporades. premise: Within the Cyclades, Dodecanese, and Sporades island groups, there are certain towns that serve as hubs for travel to and from other islands within each group.