Martinići Hillfort is located in Danilovgrad municipality, in a village of the same name. It is a Early Medieval archaeological site. On site one can still see fairly preserved rampart with three gates and seven towers. In the middle of a hill there is a residential object, which consists of three rectangular buildings and one square building.
Main object is three – aisled basilica (or one aisled – basilica with two auxiliary objects, depends on typology used). This basilica is representative example of Pre – Romanesque architecture from 8th to 10th century. Whole church furniture (altar rails, plutei, ciboria, solea) is reconstructed and can be seen in Homeland Museum of Danilovgrad.
This site is one of three megala kastra oikumena mentioned in De Administrando Imperio, written by Constantine Porphyrogenitus in 10th century, in chapter regarding Diocletians.