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 56 prices entered by 7 different people.
For example, to keep the same standard of living that would require 23,000 Kč in Zlín you would need to make just about 22,881 Kč (3,822 zł) in Opole.