What to see and do

n Fun fortress BELGRADE Fortress is on a hill surrounded by a park with wonderful views of the confluence of the Sava and Danube rivers. Entrance is free. n Classic cathedral SAINT Sava Temple is a vast Orthodox church based on Istanbul’s Hagia Sophia. It has space for more than 10,000 worshippers and the roof rises to 269ft. n Electric museum THE NIKOLA Tesla Museum chronicles the fascinating life of the scientist with Serbian roots. Tours (£5.80) are in English including fun demonstrations of Tesla’s discoveries ( nikolatesla museum.org).

n Amazing art

THE NATIONAL Museum is in a grand building next to Republic Square. Entrance is free on Sundays or £1.45 at other times, giving you access to works of art from the Roman and Greek periods to paintings by Picasso,

Monet, Cezanne and Van Gogh (narodnimuzej.rs). n People watching TAKE a stroll down pedestrianised Kneza Mihaila to enjoy the street performers and stop for coffee in one of the many cafes.