- The Following is a List of Legions located in each Province in c.120 CE.
Britain
Britannia
- Chester (Deva)
- Legio XX Valeria Victrix (43-408 CE)
- Caerleon (Isca Augusta)
- Legio II Augusta (43-c.290 CE)
- York (Eburacum)
- Legio IX Hispana (43-c.118 CE)
- Legio VI Victrix (c.118-408 CE)
- Wroxeter (Viroconium)
- Legio XIV Gemina (43-68 CE)
- Lincoln (Lindum)
- Legio II Adiutrix (c.71-c.83 CE)
- Richborough (Rutupiae)
- A Unit of the Legio II Augusta (c.400 CE)
- Hadrian's Wall:
- 3,000 Auxiliaries (128-c.410 CE)
- Antonine Wall Scotland: (139-155 CE) (vacated) Partly reoccupied (208-11 CE)
- A Vexillatio of the Legio VI Victrix
- A Vexillatio of the Legio XX Valeria Victrix
- A Vexillatio of Legio II Augusta
- Various Auxiliary Units.
- Inchtuthil Legionary Fortress River Tay, Scotland:
- Legio XX Valeria Victrix (82-3 – 86-7 CE)
- Legio II Adiutrix (86-7 CE)
- Carpow (Horrea Classis), River Tay, Scotland:
- Legio II Augusta (208-211 CE)
- Legio VI Victrix (208-211 CE)
- Cramond, Antonine Wall, Scotland:
- A Unit of the Legio II Augusta (208-11 CE)
Spain
Hispania Tarraconensis
- Leon (Legio):
- Legio VI Victrix (30 BCE-74 CE)
- Legio VII Gemina Felix (74-409 CE)
- Tarragona (Tarraco):
- Units of Legio VII Gemina Felix (74-409 CE)
- Astorga (Cantabria):
- Legio X Gemina (c.32 BCE-15 CE)
- Rosinos de Vidriales (Cantabria):
- Legio X Gemina (15-71 CE)
- Herrera de Pisuerga (Palencia, Cantabria)
- Legio IIII Macedonica (19 BCE-69 CE)
River Rhine
Germania Superior
- Mainz (Moguntiacum), Germany.
- Legio XVI Gallica (c.12 BCE-43 CE)
- Legio XIV Gemina (70-92 CE)
- Legio XXI Rapax (83-89 CE)
- Legio XXII Primigenia (39-c.337 CE)
- Legio IIII Italica (231-c.400 CE)
- Windisch (Vindonissa), Switzerland. (became a civilian town after 101 CE)
- Legio XIII Gemina (15 – 44-5 CE)
- Legio XXI Rapax (43-69 CE)
- Legio XI Claudia (70-101 CE)
- Strasbourg (Argentoratum), France.
- Legio II Augusta (9-43 CE)
- Legio VIII Augusta (70-371 CE)
Germania Inferior
- Xanten Castra Vetera, Germany.
- Legio XVII (c.15 BCE-9 CE) (probably here. Lost in the Battle of the Teutoburg Forest
- Legio XVIII (c.15 BCE-9 CE) (probably here. Lost in the Battle of the Teutoburg Forest
- Legio V Alaudae (9-70 CE)
- Legio XXI Rapax (9-43 CE)
- Bonn (Bonna), Germany.
- Legio XXI Rapax (70-83 CE)
- Legio I Germanica (c.28-70 CE)
- Legio I Minervia (82-353 CE)
- Cologne (Colonia Claudia Ara Agrippinensium) Germany.
- Legio XIX (c.30 BCE-9 CE) Lost in the Battle of the Teutoburg Forest
- Legio I Germanica (9-c. 28 CE)
- Neuss (Novaesium) Germany.
- Legio XX Valeria Victrix (9-43 CE)
- Legio XVI Gallica (43-70 CE)
Raetia
- Regensburg (Castra Regina) Germany.
- Legio III Italica (171-c.400 CE)
- Augsburg (Augusta Vindelicum, Capital of Raetia) Germany.
- Legio XIII Gemina (9-15 CE)
- Unit of the Legio III Italica (171-c.400 CE)
Italy
Rome
- Castra Praetoria, Rome:
- Praetorian Guard (27 BCE-312 CE) Disbanded by Constantine I.
- Castra Albana (Albano Laziale), near Rome):
- Legio II Parthica from (c.198-c.312 CE). Then it was moved to Mesopotamia where by c.400 CE it was based in Cepha (Hasankeyf, Turkey) on the River Tigris, according to the Notitia Dignitatum.
Milan
- Comitatenses
- From 260 CE onwards, an Elite Regiment Unit was based in Milan.
Alpes Cottiae
- Susa (Segusio), Italy.
- Praetorian Guard: The Cohors Praetoria XII, later replaced by Cohors Praetoria IX.
Alpes Maritimae
- Nice (Cimiez), France)
- Auxiliary Unit: Cohors I Ligurum et Hispanorum, (c.14-70 CE) (Auxiliary Alpine Regiment)
River Danube
Noricum
- Enns, (Lauriacum) Austria.
- Legio II Italica Pia (180-c.400 CE)
Pannonia Superior
- Vienna, (Vindobona) Austria.
- Legio X Gemina (104-c.400 CE)
- Legio XIV Gemina (92-106 CE)
- Legio I Adiutrix (83-344 CE) then included in Pannonia Inferior.
- Carnuntum (Petronell-Caruntum) Austria.
- Legio XIV Gemina (106-c.400 CE)
Pannonia Inferior
- Brigetio (Szony) Hungary.
- Legio I Adiutrix (83-344 CE)
- Budapest, (Aquincum) Hungary.
- Legio II Adiutrix (70-269 CE)
- Sremska Mitrovica, (Sirmium, the Provincial Capital) Serbia.
- A Unit of the Legio IIII Flavia Felix,
Dalmatia
- Burnum, Kistanje, Croatia.
- Legio VII Claudia (9-58 CE)
- Legio XI Claudia (9-101 CE)
- Legio IIII Flavia Felix (70 CE onwards)
Moesia Superior
- Belgrade, (Singidunum) Serbia.
- Legio IIII Flavia Felix (86-c.300’s CE)
- Viminacium (Province Capital, Ruins, nr Kostolac, Serbia)
- Legio VII Claudia (c.58-c.300’s CE)
Moesia Inferior
- Svishtov (Novae) Bulgaria.
- Legio I Italica (70 CE)
- Silistra, (Durostorum) Bulgaria.
- Legio XI Claudia (114-c.400 CE)
Dacia
- Alba Julia (Apulum) Romania.
- Legio XIII Gemina (106-271 CE)
- Iglita-Turcoaia (Troemis) Romania.
- Legio V Macedonica (106-166 CE)
- Legio II Herculea (337-361 CE)
- Turda, (Ruins of Castra Potaissa) Romania.
- Legio V Macedonica (166-274 CE)
- Arad, (Castra Arad) Romania.
- A Unit of the Legio IIII Flavia Felix and Legio XIII Gemina (86-c.274 CE)
Ukraine
Chersonesus Taurica (The Crimea)
- Charax:
- Vexillatio of the Legio XI Claudia (c.114-c.400 CE)
Turkey
Cappadocia
- Melitene (Malatya) Turkey.
- Legio XII Fulminata (70-c.400 CE)
- Sadak (Satala) Turkey.
- Legio XV Apollinaris (115-c.400 CE)
- Trabzon (Trapezus) Turkey.
- Unit of the Legio XV Apollinaris (115-c.400 CE)
- Ankara (Ancyra) Turkey.
- Unit of the Legio XV Apollinaris (115-c.400 CE)
Middle East
Syria
- Cyrrhus (Ruins, Syria):
- Legio X Fretensis (18-70 CE) then moved to Judaea.
- Legio VI Ferrata (70-106 CE) then moved to Arabia Petrae.
- Raphanae (Ruins, Jordan):
- Legio III Gallica (70-c. 323 CE) (Had moved to Syene, Egypt by this date)
- Zeugma: (Ruins, Turkey)
- Samosata (Ruins underwater, Turkey):
- Apamea: (Ruins, Syria)
- Legio II Parthica (218-234 CE)
- Dura Europos (Salhiye) Syria.
Judaea
- Jerusalem (Israel):
- Legio X Fretensis (70-c. 295 CE) and later in Aila (Aquaba, Jordan (c.295-c.400 CE)
- Caparcotna, Galilee (Lejjun, after ‘Legio’, Israel), (El-Lejjun in Jordan is a separate location).
- Legio VI Ferrata (c. 115 CE-c.215 CE)
- Caesarea Maritima (Ruins, Israel):
- Units of Legio VI Ferrata (c. 115-215 CE)
Arabia Petraea
- Bostra (Ruins, Syria):
- Legio VI Ferrata (106-135 CE)
- Legio III Cyrenaica (c.120-127-c.400 CE)
- Aquaba (Aela) Jordan:
- Legio X Fretensis moved from Judea (c.410 CE)
- El-Lejjun (Ruins, Jordan), (Lejjun in Israel is a separate location)
- Legio IIII Martia (274-c.400 CE)
Mesopotamia
- Singara: (Iraq, location unknown)
- Legio I Parthica (c.198-360 CE)
- Viransehir (Constantina) Turkey:
- Legio I Parthica (363-c.400 CE)
- Rhesaena (Ruins at Ras-al-ain, Turkey, on the River Khabur):
- Legio III Parthica (c.198 CE) At an unknown date the Legion moved to Apadna, Osrhoene.
- Hasankeyf (Cepha) Turkey, on the River Tigris.
- Legio II Parthica (c.400 CE) The Legion is mentioned in the Notitia Dignitatum as being based here.
Osrhoene
- Tell Fdyin (Apadna) Iraq:
- Legio III Parthica (c.400 CE)
Armenia
- Both Legions used by Julian to invade the Sassanian Empire in 363 CE.
- Legio I Armeniaca (363-c.400 CE)
- Legio II Armeniaca (360-c.400 CE)
Africa
Egypt
- Nicopolis, Alexandria: A Double Fortress which was always occupied by 2 Legions.
- Legio III Cyrenaica (30 BCE-125 CE)
- Legio II Traiana Fortis (125-c.400 CE)
- Legio XXII Deiotariana (6 BCE-145 CE) Either Destroyed or Disbanded by 145 CE.
- Legio III Diocletiana (c.296-c.400 CE)
- Fort Babylon, Cairo:
- Unit of Legio XIII Gemina (c. 400 CE)
- Luxor (Thebes):
- Legio III Cyrenaica (30 BCE-c.35 CE) (uncertain, possibly elsewhere)
- Unit of the Legio III Diocletiana (c.400 CE) mentioned in the Notitia Dignitatum
- Medinet-El Haras (Berenice):
- Unit of the Legio III Cyrenaica based here between (30 BCE-c.35 CE)
- Idfu (Apollonopolis Magna or Edfu)
- Legio II Traiana Fortis (c.400 CE)
- Kom Ombo (same name today):
- Unit of the Legio III Diocletiana (c.400 CE)
Africa Proconsularis
- Legio III Augusta was based in the following Fortresses: