Cost of living in Cagliari (Italy) is 146% more expensive than in Adana (Turkey)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 405 prices entered by 28 different people.
For example, you would need at least 14,730TL (€2,264) in Cagliari to maintain the same standard of living that you can have with 6,000TL in Adana.