Fasach is a land of fae and the purest natural magic throughout Breuddwyd. All form of magical flora and fauna exist within Fasach. Little is known about the land, for rarely is passage granted to outsiders to cross the borders.
For geography, just general environmental regions are known. Moinear is a great plains and Ardchiar is an expansive hilly, platueu region. The sea-border is narrow, but jagged, wind-sharpened peaks. There are deep, rich forests, but the woods themselves prevent entry to foreigners.
No civilization is known to exist. Many tribes, and small settlements of fae folk are known to exist, but locations are a mystery. The only location which is known outside of Fasach is the Soic Caiseal, which is a meeting place of all the intelligent creatures within Fasach.