Area comparison map:

slightly larger than West Virginia

Land boundaries:
total: 490 km
[see also: Land boundaries - total country ranks ]
border countries (1): UK 490 km

Coastline:
1,448 km
[see also: Coastline country ranks ]

Maritime claims:
territorial sea: 12 nm
[see also: Maritime claims - territorial sea country ranks ]
exclusive fishing zone: 200 nm
[see also: Maritime claims - exclusive fishing zone country ranks ]

Climate:
temperate maritime; modified by North Atlantic Current; mild winters, cool summers; consistently humid; overcast about half the time

Terrain:
mostly flat to rolling interior plain surrounded by rugged hills and low mountains; sea cliffs on west coast

Elevation:
mean elevation: 118 m
[see also: Elevation - mean elevation country ranks ]
lowest point: Atlantic Ocean 0 m
highest point: Carrauntoohil 1,041 m

Natural resources:
natural gas, peat, copper, lead, zinc, silver, barite, gypsum, limestone, dolomite

Land use:
agricultural land: 66.1% (2011 est.)
[see also: Land use - agricultural land country ranks ]
arable land: 15.4% (2011 est.)
[see also: Land use - arable land country ranks ]
permanent crops: 0% (2011 est.)
[see also: Land use - permanent crops country ranks ]
permanent pasture: 50.7% (2011 est.)
[see also: Land use - permanent pasture country ranks ]
forest: 10.9% (2011 est.)
[see also: Land use - forest country ranks ]
other: 23% (2011 est.)
[see also: Land use country ranks ]

Irrigated land:
0 sq km (2012)
[see also: Irrigated land country ranks ]

Population distribution:
population distribution is weighted to the eastern side of the island, with the largest concentration being in and around Dublin; populations in the west are small due to mountainous land, poorer soil, lack of good transport routes, and fewer job opportunities

Natural hazards:
rare extreme weather events

Environment - current issues:
water pollution, especially of lakes, from agricultural runoff; acid rain kills plants, destroys soil fertility, and contributes to deforestation

Environment - international agreements:
party to: Air Pollution, Air Pollution-Nitrogen Oxides, Air Pollution-Sulfur 94, Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Law of the Sea, Marine Dumping, Ozone Layer Protection, Ship Pollution, Tropical Timber 83, Tropical Timber 94, Wetlands, Whaling
signed, but not ratified: Air Pollution-Persistent Organic Pollutants, Marine Life Conservation

Geography - note:
strategic location on major air and sea routes between North America and northern Europe; over 40% of the population resides within 100 km of Dublin