Ostrov, Tulcea

Ostrov
Location in Tulcea County
Ostrov
Location in Romania
Coordinates: 44°56′N 28°09′E / 44.933°N 28.150°E / 44.933; 28.150
CountryRomania
CountyTulcea
SubdivisionsOstrov, Piatra
Government
  Mayor (20202024) Ion Tănase (PSD)
Area
118.796 km2 (45.867 sq mi)
Population
 (2021-12-01)
1,764
  Density15/km2 (38/sq mi)
Time zoneEET/EEST (UTC+2/+3)
Postal code
827175
Vehicle reg.TL
Websitewww.primariaostrovtulcea.ro

Ostrov is a commune in Tulcea County, Northern Dobruja, Romania. It is composed of two villages, Ostrov and Piatra.

It is the site of the Roman fort Beroe in the Roman province of Moesia and part of the defensive frontier system of the Limes Moesiae along the Danube.

The Beroe archaeological site is on the bank of the branch of the Danube River, 3 km south of Ostrov village. The first historical reference related to the fortress dates to the 2 century AD, the fort being inhabited until the early 7 century.