To be fair there are many tourists coming to Prague just to drink. And we usually drink low-alcohol beer, 10 degree beer has ~3% alcohol content. And finally ha

To be fair there are many tourists coming to Prague just to drink. And we usually drink low-alcohol beer, 10 degree beer has ~3% alcohol content. And finally hard alcohol is less popular. Actual alcohol consumption is not that high. But yes, in pub water is often more expensive than beer.