Cost of living in Białystok (Poland) is 12% more expensive than in Zrenjanin (Serbia)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 24 prices entered by 6 different people.
For example, you would need at least 87,284 Дин. (3,164 zł) in Białystok to maintain the same standard of living that you can have with 78,000 Дин. in Zrenjanin.