Cost of living in Opole (Poland) is about the same as in Zlín (Czech Republic)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 28 prices entered by less than 5 different people.
For example, you would need at least 23,544 Kč (3,867 zł) in Opole to maintain the same standard of living that you can have with 23,000 Kč in Zlín.