(

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

for 'Fortress by the Cold River'), also simply ( sl, Kastra), referred to as (Castra relay station) in , was a Late-Roman fortress (''

castrum In the Roman Republic and the Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Roman Republic, Republican period of ancient Rome. As a po ...

'') which constituted the centre of ''

Claustra Alpium Iuliarum (Latin for 'Barrier of the Julian Alps'; hereby, the term Julian Alps refers to the wider mountainous and hilly region from the Julian Alps to the Kvarner Gulf) was a defense system within the Roman Empire between Italia and Pannonia that prote ...

'', an Ancient Roman defensive system of walls and towers stretching from the Gail Valley (now

Carinthia Carinthia (german: Kärnten ; sl, Koroška ) is the southernmost States of Austria, Austrian state, in the Eastern Alps, and is noted for its mountains and lakes. The main language is German language, German. Its regional dialects belong to t ...

, Austria) to the

Učka The Učka ([], it, Monte Maggiore) is a mountain range in western Croatia. It rises behind the Opatija riviera, on the eastern side of the Istrian peninsula. It forms a single morphological unit together with the Ćićarija range which stretches ...

mountain range (now

Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...

). On its grounds, the Late Medieval market settlement of

Ajdovščina Ajdovščina (; it, Aidussina,trilingual name "Haidenschaft, Aidussina, Ajdovščina" inGemeindelexikon, der im Reichsrate Vertretenen Königreiche und Länder. Bearbeit auf Grund der Ergebnisse der Volkszählung vom 31. Dezember 1900. Herausgege ...

developed. The fortress was built on the grounds of an Early Roman settlement next to the confluence of the Hubelj River and Lokavšček Creek in the

Vipava Valley The Vipava Valley (; sl, Vipavska dolina, german: Wippachtal, it, Valle del Vipacco) is a valley in the Slovenian Littoral, roughly between the village of Podnanos to the east and the border with Italy to the west. The main towns are Ajdovš ...

(now in southwestern

Slovenia Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country in Central Europe. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, an ...

), along the road

Via Gemina Via Gemina was the Roman road linking Aquileia and Emona (the modern Ljubljana). It was built in 14 AD by the legio XIII Gemina,. In spite of the name given by its constructors it was said it took its name, the "twin road", from the circumstance th ...

from

Aquileia Aquileia / / / / ;Bilingual name of ''Aquileja – Oglej'' in: vec, Aquiłeja / ; Slovenian: ''Oglej''), group=pron is an ancient Roman city in Italy, at the head of the Adriatic at the edge of the lagoons, about from the sea, on the river N ...

Emona Emona (early gkm, Ἤμονα) or Aemona (short for ) was a Roman castrum, located in the area where the navigable Ljubljanica river came closest to Castle Hill,

, in the early 270s. It had a permanent military crew and command. In ancient sources, it is related to the

Battle of Frigidus The Battle of the Frigidus, also called the Battle of the Frigid River, was fought between 5 and 6 September 394 between the army of the Roman emperor Theodosius the Great and the army of the rebel ''augustus'' Eugenius (), in the eastern bo ...

, between the army of the Eastern Emperor

Theodosius I Theodosius I ( grc-gre, Θεοδόσιος ; 11 January 347 – 17 January 395), also called Theodosius the Great, was Roman emperor from 379 to 395. During his reign, he succeeded in a crucial war against the Goths, as well as in two ...

and the army of Western Roman ruler

Eugenius Eugenius (died 6 September 394) was a usurper in the Western Roman Empire (392–394) against Emperor Theodosius I. While Christian himself, Eugenius capitalized on the discontent in the West caused by Theodosius' religious policies targeting p ...

, in 394, albeit it had a peripheral role, as it was probably used only for the encampment of Eugenius's infantry. It was depicted in the 5th-century register . It was demolished by

Attila Attila (, ; ), frequently called Attila the Hun, was the ruler of the Huns The Huns were a nomadic people who lived in Central Asia, the Caucasus, and Eastern Europe between the 4th and 6th century AD. According to European traditio ...

, the ruler of the

Hun The Huns were a nomadic people who lived in Central Asia, the Caucasus, and Eastern Europe between the 4th and 6th century AD. According to European tradition, they were first reported living east of the Volga River, in an area that was part ...

s, in 451. The fortress in a form of an irregular

polygon In geometry, a polygon () is a plane figure that is described by a finite number of straight line segments connected to form a closed ''polygonal chain'' (or ''polygonal circuit''). The bounded plane region, the bounding circuit, or the two toge ...

had a defensive wall (called in Slovene ) and fourteen defensive towers. Its width was c. , its length was c. , and its full perimeter was c. . The wall had a thickness of . The square towers had a height of at least . Seven towers and a part of the wall have been preserved. A

ditch A ditch is a small to moderate divot created to channel water. A ditch can be used for drainage, to drain water from low-lying areas, alongside roadways or fields, or to channel water from a more distant source for plant irrigation. Ditches ar ...

surrounded the fortress. Extensive archaeological research has been conducted at the site. In addition to the already known ruins, several

urn An urn is a vase, often with a cover, with a typically narrowed neck above a rounded body and a footed pedestal. Describing a vessel as an "urn", as opposed to a vase or other terms, generally reflects its use rather than any particular shape or ...

and

skeletal grave A flat grave is a burial in a simple oval or rectangular pit. The pit is filled with earth, but the grave is not marked above the surface by any means such as a tumulus or upstanding earthwork. Both intact human bodies (skeletal grave) and cremated ...

s, smaller

Roman baths In ancient Rome, (from Greek , "hot") and (from Greek ) were facilities for bathing. usually refers to the large imperial bath complexes, while were smaller-scale facilities, public or private, that existed in great numbers throughout ...

with a

caldarium 230px, Caldarium from the Roman Baths at Bath, England. The floor has been removed to reveal the empty space where the hot air flowed through to heat the floor. A caldarium (also called a calidarium, cella caldaria or cella coctilium) was a room ...

, and, in September 2016, the eleventh defensive tower have been discovered.

References

External links

* {{coord missing, Slovenia Military of ancient Rome Roman fortifications in Slovenia Ajdovščina