George RR Martin

The production for HBO's 'House of the Dragon' has begun in the United Kingdom, the company tweeted on April 26. The prequel will focus on the Targaryens, 300 years before Game of Thrones transpired. To be premiered in 2022, HBO is developing 6 Game of Thrones prequel projects, including ‘House of the Dragon.' Co-showrunners Ryan Condal, Miguel Sapochnik and executive producer George R.R. Martin will execute this project.