- Sulh Ceza Mahkemeleri (Penal Courts of Peace): Handle minor offenses with penalties of less than two years imprisonment or fines.
- Asliye Ceza Mahkemeleri (Penal Courts of First Instance): Deal with more serious crimes that fall outside the jurisdiction of the Sulh Ceza Mahkemeleri.
- Ağır Ceza Mahkemeleri (Heavy Penal Courts): Handle the most severe crimes, including those involving organized crime, terrorism, and offenses punishable by ten years or more imprisonment. These courts have three judges.
2. Specialized Criminal Courts: For certain types of offenses, specialized courts exist:
- Juvenile Courts: Handle crimes committed by individuals under 18 years old.
- Intellectual and Industrial Property Rights Courts: Deal with crimes related to intellectual property theft and infringement.
4. Court of Cassation (Yargıtay): This is the highest court of appeal in Turkey for criminal cases.