- total:2,508 km
- border countries:Bulgaria 608 km, Hungary 443 km, Moldova 450 km, Serbia 476 km, Ukraine (north) 362 km, Ukraine (east) 169 km
- territorial sea:12 nm
- contiguous zone:24 nm
- exclusive economic zone:200 nm
- continental shelf:200 m depth or to the depth of exploitation
- lowest point:Black Sea 0 m
- highest point:Moldoveanu 2,544 m
- arable land: 37.73%
- permanent crops: 1.86%
- other: 60.41% (2011)
Irrigated land: 6,153 sq km (2007)
Total renewable water resources: 211.9 cu km (2011)
Freshwater withdrawal (domestic/industrial/agricultural):
- total:6.88 cu km/yr (22%/61%/17%)
- per capital:320.8 cu m/yr (2009)
Natural hazards: earthquakes, most severe in south and southwest; geologic structure and climate promote landslides
Environment - current issues: soil erosion and degradation; water pollution; air pollution in south from industrial effluents; contamination of Danube delta wetlands
Environment - international agreements:
- party to:Air Pollution, Air Pollution-Persistent Organic Pollutants, Antarctic-Environmental Protocol, Antarctic Treaty, Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Law of the Sea, Ozone Layer Protection, Ship Pollution, Wetlands
- signed, but not ratified: none of the selected agreements
Geography - note: controls most easily traversable land route between the Balkans, Moldova, and Ukraine