 Halls 11 to 19 hold various expositions, including a Salon d'Automne (Hall 18), a collection of Parisian-themed and authored works of the early 20th century, modern Spanish art, a display dedicated to Nicholas Roerich, as well as the Nova Hall where temporary exhibitions are held.The NGFA is situated in the very centre of Sofia, at St. Alexander Nevsky Square, behind the building of the National Assembly and the Alexander Nevsky Cathedral.Entrance fees are 6 leva for adults and 3 leva for students.