Each new book has added one or two maps so that, as of A Dance with Dragons, seven maps of the fictional world are available in the books.
Martin said in 2003 that complete world maps were not made available so that readers may better identify with people of the real Middle Ages who were uneducated about distant places.
A massive wall of ice and old magic separates the Seven Kingdoms from the largely unmapped area to the north.
The vast continent of Essos is east of Westeros, across the "Narrow Sea".
To the south of Essos are the continents of Sothoryos and Ulthos, which in the narrative are largely unexplored.The hot spring also prevents the ground from freezing.To depict Winterfell, both the pilot and season 1 of the television adaptation used the 16th century clock tower and ancient courtyard of the Clearsky Adventure Centre located at Castle Ward in County Down, Northern Ireland,.Sometime later, the Andals invaded Westeros and established the Faith of the Seven, writing, and steel. The Children of the Forest disappeared from Andal lands.Over time, seven kingdoms were forged across Westeros: The North, The Iron Islands, The Vale, The Westerlands, The Stormlands, The Reach, and Dorne.