How to Apply Short Term Residency in Turkey
If you want to stay in Turkey more than 90 days in 180 days, you have to apply short term residency.
The Consequences of Overstaying 90-Days limit in the European Union
Overstaying 90 days in the EU may lead to fines, entry bans, and deportation. Future visa approvals can be affected, and re-entry restrictions may apply across the Schengen Area.