Belgrade has been fought over so often that a second city lies underneath it, and this guided walk takes you into it. The tour explores the underground spaces of the Belgrade Fortress and the slopes below, places most visitors walk straight over. You descend to remains of the Roman era, when the city was the legionary fortress of Singidunum, enter the vaulted chambers of the great gunpowder warehouse built by the Austrians in the eighteenth century, follow tunnels used by successive armies, and finish in a military bunker from the Cold War years of Tito’s Yugoslavia. The guide connects each space to the battles and occupations above, and the stories are as gripping as the places. It is one of the best-reviewed tours in Belgrade on Viator, and it ends with a glass of sparkling wine along the river, a fitting toast to a city that keeps rising again.
How to visit: the tour lasts about two and a half hours and is run in small groups from a meeting point near the fortress. Some sections are reached by steps and are cool, damp and dimly lit, so wear sturdy shoes and bring a layer even in summer; underground temperatures stay steady all year, which makes this a good choice on a cold or rainy day. Book through the link on this page, where free cancellation applies up to the usual cutoff. The price varies with group size.
What to expect: the stops include Roman remains, the Austrian gunpowder warehouse and a Cold War-era bunker, with walking between sites around the fortress slopes. Some of these places cannot be visited independently at all, which is the main reason to take the tour. Expect plenty of steps, low doorways in places and a guide with a torch and a lot of stories. The sparkling wine at the end is served by the river.
Making the most of it: take this tour after the walking tour or a first visit to the fortress, so you can picture the layout above as you move below. It is not ideal for anyone with limited mobility or a fear of enclosed spaces. Combine it with sunset at the Victor monument, which is a short climb away.
What to expect
The experience
A guided small-group walk through Roman remains, an Austrian gunpowder warehouse, tunnels and a Cold War bunker around the fortress, ending with sparkling wine.
Best time
Any time of year, and especially on cold or rainy days, as the underground spaces keep a steady temperature.
How long
About two and a half hours.
Tips
Wear sturdy shoes, bring a light layer and skip it if you dislike enclosed spaces or many steps.
Quick picks
- Best for
- History buffs and repeat visitors who want to see the Belgrade most people walk over.
- Families
- Older children and teenagers love the tunnels and bunker; it is not suited to toddlers or buggies.
- Couples
- An unusual afternoon that ends with a glass of sparkling wine by the river.
- Pair with
- Sunset at the Victor monument on the fortress walls.
- Time needed
- Two and a half hours.
Good questions
What do you see on the Belgrade underground tour?+
The tour visits Roman remains, the Austrian gunpowder warehouse, tunnels and a Cold War-era bunker. Some of these places cannot be visited independently.
Is the underground tour suitable for children?+
Older children usually enjoy it, but there are many steps and some tight spaces. It is not suitable for buggies.
Is it cold underground?+
It is cool and can be damp all year, so bring a light layer even in summer. In winter it can feel warmer than the street.
How long is the underground tour?+
It lasts about two and a half hours, including walking between the sites and the drink by the river.
Is a drink included?+
Yes, the tour ends with a glass of sparkling wine along the river. Check the booking page for current inclusions.
