| Peca Castle | |
| Nativename: | Kalaja e Pecës |
| Location: | Kukës, in Northeastern Albania |
| Coordinates: | 42.0974°N 20.4229°W |
| Map Type: | Albania |
| Map Size: | 180 |
| Controlledby: | Illyrian tribes Roman Empire Principality of Arbanon Principality of Dukagjini League of Lezhë  Albania |
| Materials: | Ancient blocks |
| Open To Public: | Yes |
| Built: | 6th century BC |
Peca Castle (sq|Kalaja e Pecës) is a castle near the city of Kukës, in northeastern Albania. It sits on a Peninsula on Fierza Reservoir. The castle is believed to have been built in the 6th century BC. There is a church inside the castle built by Justinian. [1] [2]