Masiuna
The island of Masiuna is one of the two main landmasses that are part of the Ganuoan Plate. It has a very large population supported by strong, reliable year-round rainfall and volcanic soils, created by the collision of the [unknown plate] with the Ganuoan Plate.
History
Masiuna is the heartland of the nation of Ganuo, and has been for thousands of years.