Game of Thrones season 3 aired in March 2013, shortly after the end of season 2. The 10-episode season continued to captivate fans of the popular HBO series. It featured greater use of the Valyrian language developed by linguist David Peterson based on George R.R. Martin's books. Filming for season 3 took place from July 2012 to November 2012, with some locations including Lake Myvatn and Akureyri in Iceland.