Brief synthesisFrontiers of the Roman Empire – The Lower German Limes ran for 400 km along the Lower Rhine, along the north-eastern boundary of the Roman frontier province of Germania Inferior (Lower Germany), from the Rhenish Massif south of Bonn (Germany) to the North Sea coast (the Netherlands). Criterion (ii): The extant remains of Frontiers of the Roman Empire – The Lower German Limes constitute significant elements of the Roman Frontiers present in Europe. Criterion (iv): Frontiers of the Roman Empire – The Lower German Limes was the earliest linear frontier of the Roman Empire, created as an answer to Rome’s inability to control its northern neighbours by means of diplomacy. Situated in an area which has always been a wetland, with outstanding preservation conditions, Frontiers of the Roman Empire – The Lower German Limes exhibits water management strategies and constructions employed by the military command of the Roman Empire. AuthenticityThe archaeological sites that comprise the Frontiers of the Roman Empire – The Lower German Limes have a high level of authenticity.