Cost of living in Leuven (Belgium) is 101% more expensive than in Zrenjanin (Serbia)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 313 prices entered by 23 different people.
For example, you would need at least 154,805 Дин. (€1,300) in Leuven to maintain the same standard of living that you can have with 77,000 Дин. in Zrenjanin.