From The 5 Kingdoms Tome of Knowledge
Aruthien. Home of the Mirkenwood Flen, who dwell in and around the hidden Flen City of Woodsheart.
Mirkenwood is a Protectorate of Aruthien, and ranked among the Duchies of that nation.
The Mirkenwood is probably the single most dangerous wilderness in the Kingdom, with the possible exception of the deeper mountain passes.