Back حدود الإمبراطورية الرومانية Arabic Grenzen des Römischen Reiches (Welterbe) German Frontières de l'Empire romain French A Római Birodalom határai Hungarian ローマ帝国の国境線 Japanese Romiešu pierobežas nocietinājumi (UNESCO) Latvian/Lettish Fruntieri tal-Imperu Ruman Maltese Fronteiras do Império Romano Portuguese Границы Римской империи Russian Frontiers of the Roman Empire SIMPLE
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Roman Empire at its greatest extent, 117 AD
The borders of the Roman Empire, which fluctuated throughout the empire's history, were realised as a combination of military roads and linked forts, natural frontiers (most notably the Rhine and Danube rivers) and man-made fortifications which separated the lands of the empire from the countries beyond.