Westeros
The 'A Song of Ice and Fire' Domain
Gallery
Game of Thrones S3: In Production 19
Clearly a location in the east, a kind of throne in an encampment of some kind.
Looks like this will be where Daenerys is likely to meet with the captains of the sellsword companies hired by Yunkai.
HBO
Slaver's Bay, S3, In Production, Game of Thrones, Behind the Scenes