Criterion (ii): The extant remains of Frontiers of the Roman Empire – Dacia constitute significant elements of the Roman frontiers in Europe. Criterion (iii): As part of the Roman Empire’s general system of defence, Frontiers of the Roman Empire – Dacia bears an exceptional testimony to the maximum extension of the power of the Roman Empire through the consolidation of its northern frontiers and constitutes a physical manifestation of Roman imperial policy. Criterion (iv): The Frontiers of the Roman Empire – Dacia is a remarkable example of Roman military architecture and technological development. IntegrityThe property of the Frontiers of the Roman Empire – Dacia demonstrates the complexity of the European frontiers of the Roman Empire. Protection and management requirementsAll 277 component parts of Frontiers of the Roman Empire – Dacia are legally protected.