From PathfinderWiki
Geography of Golarion

Although the main focus of the Pathfinder campaign setting is undoubtedly the Inner Sea region of Golarion, you can explore any of the other charted continents on this fascinating planet. Dive into the exciting world using the comprehensive collection of articles here.

The Inner Sea Region of Golarion
Other Continents

In addition to the Inner Sea region, other continents on the planet Golarion have been traveled and populated.

The remnants of the birthplace of human civilization, now mostly sunk beneath the sea.
The largest continent on the planet.
The continent within, a planet-wide expanse of underground tunnels with its own civilizations.
The smallest and least traveled of Golarion's continents.