Bojnice (, ) is a historical town in central
Slovakia at the upper
Nitra river, near the city of
Prievidza. It has population of 4,983 (2005). Bojnice is best known for its tourist attractions: the oldest
zoo in Slovakia, the most visited
castle, and one of the oldest
spa towns in Slovakia. The town is situated below the
Bojnice Castle, which is built on
travertine rock with a natural cave. The castle has appeared in many international films and a well-known international festival of
spectres takes place there every year.