Films like "Pride and Prejudice" are thought to be drawing more and more overseas visitors to Derbyshire.
Chatsworth featured in the 2005 film as the home of Mr Darcy
Tourist marketing group Visit Britain found 25% more foreign tourists came to the county in the last 12 months.
Spokeswoman Sian Benchley said: "International tourists (are) coming to visit Britain because of something they've seen on TV or in a film.
"We estimate that up to 40% of our international visitors come as a result of that reason."
Scenes for the 1995 BBC TV production of "Pride and Prejudice" were filmed at Lyme Hall in the Peak District and Sudbury Hall.
Haddon Hall, North Lees Hall and Chatsworth provided locations for the 2005 film of the Jane Austen novel starring Keira Knightly.
Chatsworth featured in the movie as Pemberley, the home of Mr Darcy (Matthew Macfadyen).