Sitges is a town about 35 kilometres southwest of Barcelona, in Catalonia, Spain, renowned worldwide for its film festival, Carnival, and LGBT culture. Located between the Garraf Massif and the Mediterranean Sea, it is known for its beaches, nightspots, and historical sites.

The Sitges Film Festival and also translated as Sitges International Fantastic Film Festival of Catalonia and originally the International Week of Fantasy and Horror Movies, is an annual film festival held in Sitges, Catalonia, Spain. It specialises in fantasy and horror films, of which it is considered one of the world's foremost international festivals. Established in 1968, the festival takes place every year, usually in early October.