Where was the movie Robin Hood filmed?

The question of where "Robin Hood" was filmed is a bit tricky, as there have been numerous adaptations of the classic tale, each filmed in different locations. To answer accurately, you need to specify which version you are interested in.

For example, you might ask:

* Where was the 1938 "Robin Hood" film starring Errol Flynn filmed? (Answer: Much of it was filmed on soundstages at Warner Bros. in Hollywood, California, with some outdoor scenes shot at various locations in California, including Griffith Park and Malibu.)

* Where was the 1991 "Robin Hood: Prince of Thieves" film starring Kevin Costner filmed? (Answer: The film was primarily shot in England, including Sherwood Forest, Yorkshire Dales, and the English countryside.)

* Where was the 2010 "Robin Hood" film starring Russell Crowe filmed? (Answer: It was primarily filmed in England, with scenes shot at locations such as Epping Forest, Bourne Wood, and the English countryside.)

To get a more accurate answer, please specify which version of Robin Hood you're interested in.