5,000.00€ in The Hague (Den Haag), Netherlands on average has same local purchasing power as 3,105.63€ in Istanbul, Turkey (assuming you pay rent in both cities). This comparison assumes net earnings (after income tax).
To get better insight please check: Comparison of cost of living between The Hague (Den Haag) and Istanbul
To make a personalized estimate for cost of living in Istanbul visit: Cost of living Estimator for Istanbul