The area outside the entrance to great dwarven kingdom of Thorbaden, is known as Dwarfgate. The dwarves are even more reclusive than the elves and allow no one past dwarfgate. Even political meeting happen in dwarfgate and any dwarf that leaves Thorbaden has a temporary mind block placed on them by ancient magic in the gates. Only those that have a political assignment to leave Thorbaden are given a charm to prevent this.
Due to this, Nothing is known of Thorbaden, other than it exists.