Romula or Malva was an ancient city in Roman Dacia, later the village of Reşca, Dobrosloveni Commune, Olt County, Romania. It was the capital of Dacia Malvensis, one of the three subdivisions of the province of Dacia.
Porolissum was an ancient Roman city in Dacia. Established as a military fort in 106 during Trajan's Dacian Wars, the city quickly grew through trade with the native Dacians and became the capital of the province Dacia Porolissensis in 124. It is one of the largest and best-preserved archaeological sites in modern-day Romania from the Roman Era. It is 8 km away from the modern city of Zalău, in Moigrad-Porolissum village, Mirsid Commune, Sălaj County.
Located in present-day Romania, Limes Porolissensis was the frontier of the Roman Empire in Dacia Porolissensis, the northernmost of the three Dacian provinces. It was a defensive line dating from the 2nd century AD after the Conquest of Dacia up to the retreat of the Roman army from the region. The Limes was a complex network of over 200 observation towers, fortlets, palisades and ditches, and forts disposed in an arched line following the highland chain of the Meseș Mountains over 200 km from the Apuseni Mountains to Bistrița Mountains, and required as many as 16,000 soldiers to man and defend.
Limes Transalutanus is the modern name given to a fortified frontier system of the Roman Empire, built on the western edge of Teleorman's forests as part of the Dacian Limes in the Roman province of Dacia, modern-day Romania.
The Limes Alutanus was a fortified eastern border of the ancient Roman province of Dacia built by the Roman emperor Hadrian to stop invasions and raids from the east.
Acidava (Acidaua) was a Dacian and later Roman town and fort on the Olt river near the lower Danube. The settlement's remains are located in today's Enoşeşti, Olt County, Oltenia, Romania.
Buridava (Burridava) was a Dacian town situated in Dacia, later Dacia Apulensis, now Romania, on the banks of the river Aluta, now Olt.
Arutela was an ancient Roman fort in the Roman province of Dacia today near the town Călimănești. It lies on the left bank of the Olt River. It was part of the Roman frontier system of the Limes Alutanus.
Tibiscum was a Dacian town mentioned by Ptolemy, later a Roman fort and municipium. The ruins of the ancient settlement are located in Jupa, near Caransebeș, Caraș-Severin County, Romania. The Roman settlement here was one of the most important vestiges of classical antiquity in Banat.
Castra Traiana was a fort in the Roman province of Dacia on the Limes Alutanus near the present town of Dăești, Romania.
Praetorium II (Racovița) was a fort in the Roman province of Dacia near the present village of Racovița, Vâlcea. It was built in the middle of the 3rd century, part of the Roman frontier system of the Limes Alutanus along the Olt (river) and was the largest fort in the mountain area of the Limes.
Castra Acidava was a fort in the Roman province of Dacia, The toponym is attested in the Peutinger Table. built near the ancient town of Acidava.
Caput Stenarum was a fort in the Roman province of Dacia in the 2nd century AD. It is located 700 m east of the village Boița in Romania at the northern exit of the Olt gorge.
Ulpianum was a fort in the Roman province of Dacia. Traces of the castra built in the 2nd century AD can be identified at the confluence of the rivers Someșul Mic and Căpuş in the Bánffy Castle's park at Gilău (Romania). A vicus developed south and west of the fort. A large building, 41x41m, within the fort is considered to have been either a valetudinarium or a fabrica.
The castra of Aradul Nou was a fort in the Roman province of Dacia, located on the western side of the defensive line of forts, limes Daciae. It is situated near Arad, Romania.
The castra of Drumul Carului was a fort in the Roman province of Dacia near Moieciu, Romania.
Praetorium I (Copăceni) was a fort in the Roman province of Dacia near the present village of Copăceni, Racovița, Vâlcea, Romania. It was part of the Roman frontier system of the Limes Alutanus along the Olt (river). It was built in 138 and reinforced with two towers two years later.
The castra of Pietroasele was a Roman fort in Roman Dacia located in the centre of Pietroasele (Romania). It was built under Trajan after Trajan's Dacian Wars in about 106 AD but abandoned at the beginning of Hadrian's reign when Wallachia was given up to the Roxolani. It was used again at the beginning of the 3rd century in the reign of Caracalla. It was rebuilt by Constantine the Great after his victory over the Goths in 328 when Constantine created the Constantine Wall of the Dacian Limes. It was abandoned in the same century.
Potaissa was a legionary fortress and later a city in the Roman province of Dacia, located in today's Turda, Romania.
Roman Dacia was a province of the Roman Empire from 106 to 271–275 AD. Its territory consisted of what are now the regions of Oltenia, Transylvania and Banat. During Roman rule, it was organized as an imperial province on the borders of the empire. It is estimated that the population of Roman Dacia ranged from 650,000 to 1,200,000. It was conquered by Trajan (98–117) after two campaigns that devastated the Dacian Kingdom of Decebalus. However, the Romans did not occupy its entirety; Crișana, Maramureș, and most of Moldavia remained under the Free Dacians.
Romania 
National Historical Monument
