Yash Raj Films` yet-untitled mega-action entertainer starring Hrithik Roshan, Tiger Shroff and Vaani Kapoor will be shot in some of the most expensive and gorgeous locations overseas. When it comes to action and scale, this film will give a huge fight to some of the biggest action thrillers of which Hollywood can ever boast. The film will be shot across 6 countries and 14 world cities and will show for the first time unexplored, breath-taking international locations. Hrithik and Tiger are coming together for the first time on screen and YRF is leaving no stone unturned to mount this action film with a scale. Director Siddharth Anand confirmsthey are shooting in Spain, Georgia, Italy, Portugal and Sweden and of course India. Some of the biggest action sequences will be shot in these countries. Filming  will star in September. He adds, So far, Portugal, with its beautiful beaches, mountains and historic cities, is unexplored on Hindi film. Sweden will add another dimension to scale as it has hardly been seen in films.