eSIM for Bosnia and Herzegovina: Sarajevo, Mostar and a border day
For plenty of travellers, a trip to Bosnia and Herzegovina does not start at an airport but on the road from the Croatian coast: Mostar and its old bridge sit just a couple of hours from Dubrovnik or Split, making it one of the most common day trips across a border in this part of the Balkans. Some stop there, others continue on to Sarajevo, a city with a very dense, layered history. The two scenarios have different connectivity needs, and it helps to know the difference in advance.
A day trip from Croatia: an easy border to overlook
The drive from Dubrovnik to Mostar and back is a classic day trip, and the time actually spent in Bosnia and Herzegovina can amount to just a few hours. It is easy to forget this is a different country with its own carriers, and a plan bought for travel in Croatia may simply not work here.
Before a trip like this, check the plan page to see whether it covers Bosnia and Herzegovina, or whether a separate local package is needed for the day — otherwise the border can go unnoticed right up until the connection drops.
Mostar: the old bridge, the divers and the narrow lanes
The Old Bridge in Mostar and the cobbled lanes around it are the most touristy, densely covered part of the city, where navigating between the souvenir stalls and the viewpoints on the bridge is usually straightforward.
- Save the address of your parking spot or bus drop-off — the old town's narrow lanes are not always easy to read on a map up close
- If you plan to return to Croatia the same evening, check the bus schedule in advance while you still have solid signal
- Budget some extra data for video if you plan to film the bridge divers and share it right away
- Keep an offline map handy if you plan to go on to Blagaj and the dervish monastery at the source of the Buna river
Sarajevo: a city where different eras sit side by side
Sarajevo is often described through contrast — the Ottoman-era Baščaršija with its craft workshops, Austro-Hungarian architecture a short walk away, and, close by, traces of more recent history, including the famous corner where Archduke Franz Ferdinand was assassinated. It all fits within an easy walk, and coverage in the centre is steady enough to look things up on the go without losing your route.
Mount Trebević above the city, reached by cable car, gives a view over all of Sarajevo, and signal up there usually holds up about as well as it does down below.
The Mostar–Sarajevo road: mountains between the two cities
The route between Mostar and Sarajevo runs through the mountain canyon of the Neretva river, and on some stretches among the cliffs and tunnels signal can drop briefly — normal for a mountain road and nothing to worry about if the map was downloaded beforehand.
The train on this route is considered one of the most scenic in the region, and it is worth spending at least part of the journey looking out the window rather than at a phone — especially since signal in the tunnels drops anyway.
Choosing a plan: a quick crossing or the full trip
If Bosnia and Herzegovina is just a day trip from Croatia, a short local data package for that one day is usually enough. If several days in Mostar and Sarajevo are a proper leg of the journey, a full local plan for the whole stay makes more sense, and if the route continues through several Balkan countries, a regional plan is worth a look.
The eSIM can be installed at home in advance via QR code or a quick-install button, with data roaming switched on right at the border crossing, so the plan is not used up on the way there.