About Ireland

Discover key information about Ireland's geography, history, culture, politics, and more

Geography & Location

Physical geography of Ireland

Ireland is an island in the North Atlantic, separated from Great Britain by the North Channel, the Irish Sea, and St George's Channel. It is the second-largest island of the British Isles, the third-largest in Europe, and the twentieth-largest on Earth.

Area: 84,421 km² (32,595 sq mi)

Highest point: Carrauntoohil (1,041m)

Longest river: River Shannon (360.5 km)

Largest lake: Lough Neagh

Coastline: 1,448 km (900 mi)

Climate & Environment

Weather patterns and natural resources

Ireland has a temperate oceanic climate, influenced by the Atlantic Ocean and the Gulf Stream. Summers are mild, while winters are generally cool but not severely cold.

Average temperature: 10°C (50°F)

Annual rainfall: 750-1500mm (varies by region)

Natural resources: Zinc, lead, natural gas, copper, agricultural land, peat, limestone

Environmental challenges: Water pollution, urbanization, climate change

Regions & Counties

Administrative divisions of Ireland

Ulster (part)

  • Donegal
  • Cavan
  • Monaghan

Munster

  • Cork
  • Kerry
  • Limerick
  • Clare
  • Tipperary
  • Waterford

Leinster

  • Dublin
  • Kildare
  • Meath
  • Wicklow
  • Wexford
  • Carlow
  • Kilkenny
  • Laois
  • Longford
  • Louth
  • Offaly
  • Westmeath

Connacht

  • Galway
  • Mayo
  • Sligo
  • Leitrim
  • Roscommon