Game of Thrones is an American fantasy television series produced by the HBO cable network. It is based on the novel seriesA Song of Ice and Fire, written by George R.R. Martin who serves as a producer, creative consultant and scriptwriter on the television series. David Benioff and D.B. Weiss created the television series and serve as executive producers, showrunners and the main writers.
To date, the series consists of four transmitted seasons comprising fourty episodes in total. Two further seasons have been commissioned, taking the show up to a sixth year/season.
Production of the series is based in Belfast, Northern Ireland, mainly at the Paint Hall Studios. It is the largest and most expensive television production ever mounted in Northern Ireland. Filming for the series has also been conducted in Malta, Iceland, Croatia,Morocco and the USA.