sajam

1. fair; trade fair; exhibition
   Svake jeseni idem na Sajam knjiga. — Every autumn I go to the Book Fair.
   Na sajmu automobila bilo je mnogo ljudi. — There were a lot of people at the car show.
2. fair; market
   Na božićnom sajmu kupili smo ukrase. — We bought decorations at the Christmas market.
   Deda je prodao kravu na stočnom sajmu. — Grandpa sold a cow at the livestock market.

Capitalised, Sajam often refers to the Belgrade Fairground venue.