• Area: 5,368 sq. km
• Capital: La Dominico
• Number of Spheres: 3

Chelidon is one of the larger isledoms in Ancoria. It is divided into three spheres — namely sphere 15, 16, and 17 — each led by an aristo and an elected council member. Sphere 15 is made up of Pierague, Ostuboa, Hante, Trelét, and Torysi. Sphere 16 is made up of Sulesca, Gypoloa, Onspir, and Wilowai. Sphere 17 is made up of La Dominico, Verdese, Tamdaria, and Capulet.

Map of the isledom of Dom Grandis, showing its three cities and its ten boroughs.