Walking Zadar's Roman Peninsula: The Forum, St Donatus and What Came After

I didn’t expect a parking-lot-sized stretch of broken stone to stop me in my tracks, but that’s what the Roman Forum in Zadar did on my first morning here. I’d walked the Riva the evening before, drawn like everyone else to the Sea Organ, and I assumed the old town’s real business was the waterfront. It isn’t. The heart of Zadar sits a few streets back, on ground the Romans laid out, and once you notice it, the whole peninsula starts to read differently.

Standing in the largest Roman forum on the eastern Adriatic

The forum is described as the largest Roman forum on the eastern Adriatic coast, and even in its ruined state you can feel the scale of it. Column drums and paving stones are scattered across an open square, some upright, some toppled and left where they fell centuries ago. A single Roman column still stands near the edge — locally known as the “pillar of shame,” where wrongdoers were once tied up for public punishment, according to local tradition. There’s no ticket booth, no queue, no roped-off viewing platform. You just walk in among the stones, which is part of what makes it feel less like a monument and more like a place people actually used.

What struck me most is how the forum isn’t sealed off from the rest of the old town. Cafés spill their tables right up to its edge. Kids cut across it on their way somewhere else. The Romans built this as the administrative and commercial center of their city, and two thousand years later it’s still functioning as a crossing point in daily life — just without the toga-wearing officials.

St Donatus: a church that stopped being a church

At the forum’s edge rises the building everyone photographs first: St Donatus Church, a round, pre-Romanesque structure dating to the 9th century. It’s unmistakable — a squat cylinder of pale stone with two smaller apses attached, built at least partly from recycled Roman material lifted straight from the forum around it. You can see fragments of inscribed stone worked into the lower courses of the wall if you look closely, which somehow makes the whole building feel like a direct continuation of the Roman square rather than something imposed on top of it.

St Donatus is no longer used for regular worship. Its bare interior — no altar screen, no pews, just curved stone walls rising to a high gallery — has instead made it one of Zadar’s favorite concert venues, particularly for the summer early-music festival held inside. I happened to catch the tail end of a rehearsal on my visit, and the acoustics inside that round stone shell are extraordinary; a single cello note seemed to hang in the air for several seconds. Standing in a 9th-century building built from 1st-century rubble, listening to music, is about as layered a Zadar moment as you can have.

The cathedral tower, and a view worth the climb

A short walk from St Donatus is the Cathedral of St Anastasia, Zadar’s Romanesque cathedral, whose bell tower is open to climb. I won’t pretend the stairs are easy — they’re narrow, a little worn, and there are a fair number of them — but the payoff at the top is a rooftop-level view over the old town’s terracotta roofs toward the Riva and the archipelago beyond. It’s one of the few spots in Zadar where you can actually see the shape of the peninsula you’ve been walking, and pick out the Sea Organ and Greeting to the Sun as small details on the waterline.

Squares and gates that still frame the city

From the cathedral, the old streets fan out toward two other spots I kept returning to. Five Wells Square, once the city’s main water supply point, is a long rectangular plaza lined with five stone wellheads in a row — practical Venetian-era infrastructure that’s aged into one of the prettiest corners of town, especially at dusk when the stone catches the last light.

And at the edge of the peninsula stands the Land Gate, built in 1543, the grandest of the surviving entrances through Zadar’s Venetian defensive walls. It’s a serious piece of military architecture — a triumphal-arch façade flanked by lower side passages — and it forms part of the same UNESCO-listed Venetian fortification system that also protects Šibenik’s St Nicholas Fortress.

Closer to the center, the People’s Square (Narodni trg) has been Zadar’s civic gathering point since Venetian times, framed by the old City Guard building with its clock tower. It’s smaller and less monumental than the forum, but it’s where the city’s everyday rhythm plays out — people meeting for coffee, errands being run, the low hum of a town going about its business around genuinely old stone.

What I came away with, after a few days of crossing and re-crossing this small peninsula, is a sense that Zadar doesn’t treat its Roman and medieval layers as a museum piece to be roped off. The forum stones, the round church built from them, the climbable tower, the wellheads and the gate are all still part of how the town works day to day. That’s rare, and it’s worth slowing down for.

Making sense of the layers: a short walking route

If you want the short version of what took me a few days to piece together, it goes roughly like this: start at the forum, step into St Donatus, climb the cathedral tower, wander past Five Wells Square, and finish at the Land Gate before looping back along the Riva. It’s the same ground covered by most old town walking tours, but doing it at your own pace lets you linger at the forum longer than any guide’s schedule allows.

If you’d rather have someone connect the Roman layer to the medieval and Venetian ones as you go, a dedicated history walking tour of the Roman Forum covers exactly this ground with context I only picked up later from reading. There’s also a free walking tour option if you’d rather test the waters before committing to a paid one, and a night walking tour that shows the same stones under a completely different light — the forum in particular feels eerier, quieter, after dark.

I’d pair this walk with the Sea Organ sunset walking tour to bookend a day of history with the sound installation on the Riva — read more on how the Sea Organ actually works if the mechanics interest you, or the Hitchcock sunset legend that made the Greeting to the Sun famous. The Land Gate and Five Wells Square are both part of the wider Venetian defensive walls that ring the whole peninsula, and I’d genuinely recommend reading up on that UNESCO listing before you walk the perimeter — it reframes a lot of what otherwise looks like plain old stone.

If you’re hungry after all that walking, a food walking tour threads through many of the same lanes, stopping for bites between the historic sights rather than around them.

Planning your visit

Most people ask me how many days to spend in Zadar once they realize the old town has this much layered history beyond the waterfront — I’d say at least two, so the Roman and medieval walk doesn’t get rushed against everything else on your list. If you’re still deciding where to base yourself, our where to stay in Zadar guide covers the old town peninsula specifically, which is the obvious choice if you want to be steps from the forum each morning. And if you’re arriving straight off a flight, the airport to old town transfer guide walks through your options for getting here.

Once you’ve covered the peninsula itself, Zadar makes a natural base for day trips further afield — a lot of visitors combine the Roman old town with a trip to Krka National Park, Plitvice Lakes, or Šibenik’s own old town, which has its own Venetian-era core and a very different cathedral to compare against St Anastasia’s.

Roman and medieval Zadar: questions I get asked

Is the Roman Forum in Zadar a paid site?

No — the forum is an open outdoor square with free access at any time; there’s no ticket or gate, since it functions as a public space within the old town rather than an enclosed archaeological park.

Can you go inside St Donatus Church?

Yes, the interior is open to visitors, though as it’s no longer used for regular worship you may find it hosting concerts or events, particularly in summer — check local listings for exact opening times rather than assuming a fixed schedule.

Is climbing the cathedral bell tower difficult?

It involves a steady climb up narrow stone stairs with no elevator, so it’s not suited to anyone with mobility difficulties, but it’s manageable for most visitors and the view over the old town’s rooftops is worth the effort.

What is the “pillar of shame” near the forum?

It’s the single Roman column still standing upright at the edge of the forum, which local tradition holds was used to publicly tie up and shame wrongdoers in past centuries — a colorful story more than a formally documented historical record.

How does the Land Gate relate to Zadar’s UNESCO listing?

The Land Gate, built in 1543, is part of the Venetian defensive walls that were inscribed as a UNESCO World Heritage Site in 2017 under the listing “Venetian Works of Defence between the 16th and 17th Centuries,” which also includes Šibenik’s St Nicholas Fortress.

Is Five Wells Square still used for anything?

It’s no longer a working water source, but the square itself remains an active public space in the old town, popular for an evening walk or a coffee stop rather than serving any remaining utilitarian purpose.

How much time should I set aside for the Roman and medieval old town?

A relaxed walk covering the forum, St Donatus, the cathedral tower, Five Wells Square and the Land Gate can be done in a couple of hours, though it’s easy to linger longer given how central and walkable this part of Zadar is. If you have a spare day afterward, many visitors pair this walk with a guided tour of Plitvice Lakes as a full-day trip out of Zadar.

What should I do after the old town walk, if I have the afternoon free?

Plenty of people finish the forum-to-Land-Gate walk by early afternoon and want something on the water next. I’d suggest either a guided boat tour to Ugljan, Ošljak and Galevac if you want a guided introduction to the archipelago, or a private boat trip to Ugljan if you’d rather set your own pace after a morning of following a walking route. Either way, come back before sunset if you can — Five Wells Square and the Land Gate look their best in the last light, and it’s a short walk back from the harbor.

Is there anything to do in the old town after dark, once the sights close?

Yes — St Donatus itself doesn’t keep evening hours as a rule, but the peninsula stays lively. A night swim with a surprise cocktail is a good way to end a day spent on foot among Roman stones, and the Riva stays busy well into the evening if you’d rather just walk it again with the crowds thinned out.