🇩🇿 Algeria · Fortress
Castellum Dimmidi (El Hadjira Outpost)
Roman (198–260 CE) · Roman (Numidia, Severan frontier)
Southernmost Roman desert burgus near El Hadjira with Palmyrene ostraca.
🇩🇿 Algeria · Ancient port
Siga Outer Harbour (Takembrit Offshore)
Numidian to Late Antique (3rd c. BCE–7th c. CE) · Numidian (Masaesyli) / Roman (Mauretania)
Syphax's harbour with 200 m submerged rubble mole and purple middens.
🇩🇿 Algeria · Ancient city
Tigisis (Aïn el-Bordj)
Roman to Byzantine (1st–7th c. CE) · Numidian / Roman-Christian (Donatist/Catholic)
Episcopal twin-church city in Souk Ahras hills with schism basilicas.
🇩🇿 Algeria · Buried city
Burr Stone Circles Extension
Iron Age (1200 BCE–500 CE) · Medieval
Burr Stone Circles Extension in Tassili, Algeria is a Iron Age (1200 BCE–500 CE) buried city attributed to Medieval culture.
🇩🇿 Algeria · Fortress
Thubunae Outlier – Henchir Ksar Bou Saad
Roman to Byzantine (2nd–7th c. CE) · Roman (Numidia)
Outlier fortlet of Thubunae on Hodna rim with 6-tower enceinte.
🇩🇿 Algeria · Megalith
Adrar Stone Circle — Tassili (Djanet)
Early Medieval (500–1000 CE) · Bronze Age
Adrar Stone Circle in Tassili, Algeria is a Early Medieval (500–1000 CE) megalithic attributed to Bronze Age culture.
🇩🇿 Algeria · Fortress
Gemellae South Bastion (El Kasbat Ridge)
Roman (Hadrian to Diocletian) · Roman (Numidia, Fossatum)
Fossatum Africae southern rampart and ditch bastion south of Gemellae.
🇩🇿 Algeria · Ancient city
Tatilti (Aïn Touta) – Mountain Refuge
Numidian to Byzantine (3rd c. BCE–7th c. CE) · Numidian / Roman / Berber
Aurès pass city with bazina tumuli and thermal baths.
🇩🇿 Algeria · Fortress
Ad Maiores
Roman to Byzantine (104 CE–7th c. CE) · Roman
Trajanic desert camp 130×80 m anchoring Fossatum Negrine segment.
🇩🇿 Algeria · Ancient city
Vescera (Biskra)
Roman to Byzantine (1st c. BCE–7th c. CE) · Roman (Numidia)
Limes military colony at Biskra oasis with camp and Triton mosaic.
🇩🇿 Algeria · Ancient city
Caesarea Mauretaniae (Cherchell)
Phoenician / Numidian / Roman · Mauretanian / Roman
Splendid royal capital of Juba II and Cleopatra Selene (25 BCE) then capital of Mauretania Caesariensis, with harbour, great theatre, amphitheatre and museums of Greek copies.
🇩🇿 Algeria · Fortress
Castellum Tidditanorum
Numidian to Byzantine (2nd c. BCE–7th c. CE) · Numidian / Roman (Cirtan)
Cirtan confederation castellum with 14-towered walls and oil presses.
🇩🇿 Algeria · Ancient city
Zarai
Numidian to Byzantine (2nd c. BCE–7th c. CE) · Numidian / Roman
Customs station famed for 202 CE Zarai Tariff (longest Latin customs law).
🇩🇿 Algeria · Ancient city
Gadiaufala
Numidian to Byzantine (3rd c. BCE–7th c. CE) · Numidian / Roman
Hilltop municipium with cyclopean walls and Augustan arch.
🇩🇿 Algeria · Ancient city
Theveste (Tébessa) – Legionary Colonia
Berber / Roman / Byzantine · Roman / Berber
Veteran colony of Legio III Augusta controlling Hauts Plateaux–Aurès corridor. Tetrapylon Arch of Caracalla (214 CE), amphitheatre, basilica of St Crispina (76 m) with catacombs, Byzantine walls with…
🇩🇿 Algeria · Ancient city
Lamasba
Roman (2nd c. CE–7th c. CE) · Roman (Numidia)
Municipium famed for 220 CE water-law inscription regulating drought rotation.
🇩🇿 Algeria · Fortress
Lambaesis Legionary Camp (Tazoult)
Roman (81 CE – 5th c CE; legionary base 123–238 CE) · Roman (Legio III Augusta)
Africa's largest legionary fortress, Lambaesis housed 6,000 men of III Augusta with principia, baths, amphitheatre, aqueduct and arch of Commodus. Headquarters shrine and numerus i...
🇩🇿 Algeria · Ancient city
Sitifis (Sétif) – Mauretania Sitifensis Capital
Roman / Byzantine · Roman
Veteran colonia of Nerva (97 CE) raised to capital of Mauretania Sitifensis by Diocletian. Byzantine fortress 548×416 m encloses forum under modern city; museum holds mosaic hoard; centuriation grid…
🇩🇿 Algeria · Ancient city
Madauros (M'Daourouch) – University City of Apuleius
Numidian / Roman · Romano-Berber
High-plateau Roman university town famed as birthplace of Apuleius (Golden Ass) and Augustine's school.
🇩🇿 Algeria · Ancient city
Altava (Ouled Mimoun) – Mauretanian Frontier
Roman to Vandal–Mauretanian Kingdom (1st c – 7th c CE) · Roman / Mauretanian–Berber kingdom of Altava
Most westerly Roman castrum in Algeria, Altava became 6th c Mauretanian kingdom capital of chieftain Masuna rex gentium Mauraorum, with Latin church inscriptions documenting Romano...
🇩🇿 Algeria · Ancient city
Thubunae (Barika) – Hodna Basin Fort
Roman to Byzantine (1st–7th c CE) · Roman / Byzantine (Numidia)
Southernmost Numidian walled town 32 ha facing Hodna chott, Thubunae dominates Sahara margin with 1.8 km circuit and Donatist basilica; 411 Conference bishop list.
🇩🇿 Algeria · Ancient city
Mascula (Khenchela) – Aurès Road Station
Roman (1st–7th c CE; colony under Trajan) · Roman (Numidia)
Mountain road colony with large baths fed by Aurès springs, arch of Caracalla and Byzantine chapel, on Theveste–Lambaesis road.
🇩🇿 Algeria · Ancient city
Diana Veteranorum (Aïn Zana / Zana)
Roman / Byzantine · Roman
Trajanic veteran settlement of Legio III Augusta (100–117 CE) with perfect grid, forum, arch, macellum and aqueduct feeding nymphaeum. Named for Diana whose forests ringed town, oil-press economy.
🇩🇿 Algeria · Ancient city
Rapidum (Sour Djouab / Masqueray)
Roman · Roman
Auxilia castra of Cohors II Sardorum on Auzia–Lemellef road controlling Tell–Plateaux pass. Fort 180×140 m with canabae, baths, Gordian III rebuild inscription.