Thorne is the last remaining Kingdom of the Fey. It is sometimes called the Kingdom of Spring as the Queen of the Spring court rules there. According to the Truce of the Fey War, No Mannish shall cross the borderland into Thorne lest he forfeit his life freedom or sanity (or all three). No contact has been made with the peoples of Thorne for many hundreds of years.
From the few records of the kingdom, it is said that vast majority of Thornes Geography comprises deep virgin forests, some of which no Man has ever laid eyes on. Thorne Borders on the Kingdom of Ruthyr, the Plains of Thanadan, The Kingdom of Danovir and the Ogrish Lands.
This is the last kingdom of the Fey, and thus the vast majority of sentient creatures are Fey. No normal people live in Thorne who are not captives to the Fey.