Production of The Vampire Lovers began at Elstree Studios on 19 January 1970 .
Production of The Vampire Lovers used locations in the grounds of Moor Park Mansion , Hertfordshire ( standing in for Styria , Central Europe ) .
Production of The Vampire Lovers began at Elstree Studios on 19 January 1970 and used locations in the grounds of Moor Park Mansion , Hertfordshire ( standing in for Styria , Central Europe ) .