 They are first mentioned in "A Game of Thrones" and were first mapped in "The Lands of Ice and Fire", lying on the far east of the known world.Martin is unsure if the books will ever take the readers to Asshai, but said that readers may learn more through the POV character Melisandre (who originates from Asshai) or through the memories and mentions of other characters.Jorah Mormont describes Asshai as a port city far to the south of the Dothraki sea, at the end of the known world.