What SIM for Bosnia herzogovena

So mrs G off rafting in Bosnia next week and ‘needs’ a sim deal that will not break the bank to phone home tried a search but not much use prefer to buy in uk and add extras on if needed TiA

Is phone esim compatible? Used esim in e Asia no problems.

https://www.getnomad.app/en

BH Telecom seem to do a tourist SIM which is 15Gb for 10 days or 30Gb for 30 days but their website isn’t as much in English as they think. I assume (it’s a bit winging it, I know) you can get an eSim at the airport as we’ve seen in e.g. Cyprus?