| Type: | neighbourhood |
| Province: | Mersin |
| District: | Gülnar |
| Demirözü | |
| Population Total: | 277 |
| Population As Of: | 2022 |
| Coordinates: | 36.4°N 48°W |
| Elevation M: | 1100 |
| Postal Code: | 33702 |
| Area Code: | 0324 |
| Other Name: | Hortu |
Demirözü (former Hortu) is a neighbourhood in the municipality and district of Gülnar, Mersin Province, Turkey.[1] Its population is 277 (2022).[2] The village is situated in Toros Mountains. The distance to Gülnar is and to Mersin is . There are two ponds with reed beds to the northeast of the village.