Arrubium

{{Infobox castrum

| name = Arrubium

| image = Arrubium.JPG

| caption =

| alt_names = Arrubio

| known_as = Castra of Măcin

| built_during_reign_of =

| founded =

| abandoned =

| attested_by = Tabula Peutingeriana

| previous_fortification =

| type =

| robust_struct_material =

| robust_struct_built_during_reign_of =

| robust_struct_built =

| robust_struct_abandoned=

| robust_struct_dim1 =

| robust_struct_dim2 =

| robust_struct_area =

| robust_struct_shape =

| robust_struct_thickness=

| robust_struct_technique=

| robust_struct_towers =

| weak_struct_material =

| weak_struct_built_during_reign_of =

| weak_struct_built =

| weak_struct_abandoned =

| weak_struct_dim1 =

| weak_struct_dim2 =

| weak_struct_area =

| weak_struct_shape =

| weak_struct_towers =

| commanders =

| legions =

V Macedonica

| cohorts =

| alae =

• I Dardanorum
• II Hispanorum Aravacorum

| numeri =

| events =

| province = Moesia

| admin_unit_1 = Moesia Inferior

| admin_unit_2 =

| limes =

| links =

• Dinogetia
• Noviodunum
• Troesmis

| coordinates = {{coord|45.2388|28.1277|display=inline,title}}

| altitude = c. 17

| map = Romania

| place_name =

| location_town = Măcin

| location_county = Tulcea

| location_state =

| location_country = {{ROU}}

| ref:RO:LMI =

| ref:RO:RAN = 159749.03 {{cite web|url=http://ran.cimec.ro/sel.asp?descript=macin-oras-macin-tulcea-fortificatia-romano-bizantina-de-la-macin-cod-sit-ran-159749.03 |publisher=ran.cimec.ro |title=Fortificația romano-bizantină de la Măcin |work=National Archaeological Record of Romania (RAN) |date=2009-09-21 |accessdate=2013-01-04 |url-status=dead |archiveurl=https://web.archive.org/web/20160303212203/http://ran.cimec.ro/sel.asp?descript=macin-oras-macin-tulcea-fortificatia-romano-bizantina-de-la-macin-cod-sit-ran-159749.03 |archivedate=2016-03-03 }}

| ref:RO:SIRUTA =

| discovery_year =

| condition = Ruined

| controlled_by =

| excavations =

| archaeologists =

| exhibitions =

| website =

| notes =

}}

Arrubium was a fort in the Roman province of Moesia (today's Măcin, Romania), (later Scythia Minor) and was part of the defensive frontier system of the Moesian Limes along the Danube.

{{stack|File:Eastern Moesia around 100 AD.png}}