Hellholt

Hellholt is a castle in Game of Thrones. It is a holdfast in Dorne, the region controlled by House Martell of Sunspear. The castle is located in the south west of Dorne near the Brimstone. It is east of Sandstone.

In the books
In the Song of Ice and Fire novels Hellholt is the seat of House Uller. Its location is the same.