I'd like to visit the countryside around there, and I was wondering where were the best part with beautiful landscapes, friendly people and good food ;)
There's so many beautiful and unexpected places in Eastern Europe - it's hard to pick!
I totally agree with Ewa: the Tatra Mountains on the Poland/Slovakia border are beautiful and friendly and awesome!
Other suggestions include:
Eastern Europe is the best! Have a great time!
Mentioned in this answer: