island of Ireland

island of Ireland
Jeff Schmaltz · Public domain · source
Name	Ireland
Native name	Éire / Ireland
Capital	Dublin
Largest city	Dublin
Area km2	84,421
Population	6.9 million (approx.)
Density km2	82
Timezone	GMT / Irish Standard Time
Currencies	Euro; Pound sterling
Languages	Irish; English

Contents

island of Ireland

The island of Ireland lies to the northwest of continental Europe and southeast of Greenland in the North Atlantic Ocean, comprising two jurisdictions: the sovereign state Ireland and Northern Ireland. It has a varied landscape from the Dublin Bay coast to the River Shannon basin and the mountain ranges of MacGillycuddy's Reeks and Mourne Mountains. Key cities include Belfast, Cork, Limerick, and Galway, while historical sites range from Newgrange to Carrickfergus Castle.

Geography

The island covers about 84,421 km2 between the Atlantic Ocean and the Irish Sea, separated from Great Britain by the North Channel and the St George's Channel. Major rivers include the River Shannon, River Liffey, and River Suir; principal lakes include Lough Neagh, Lough Derg and Lough Corrib. The coastline features headlands such as Loop Head and Mizen Head, offshore islands like Achill Island and Aran Islands, and peninsulas such as the Dingle Peninsula and Inishowen Peninsula.

The island's geology reflects ancient orogenies including the Caledonian orogeny and the Variscan orogeny, with bedrock types ranging from Dalradian metamorphic rocks to Carboniferous limestones that form the Cliffs of Moher and Burren. Glaciation shaped features such as drumlins and eskers found in County Tyrone and County Mayo. Fossiliferous beds near Antrim and Donegal record marine life from the Paleozoic; peatlands like the Bog of Allen preserve distinct flora and fauna, while habitats support species such as the European otter, common pipistrelle, and migratory barnacle goose.

The island experiences a maritime temperate climate influenced by the North Atlantic Current and Gulf Stream, yielding mild winters and cool summers across regions including Connacht, Leinster, Munster, and Ulster. Weather patterns are monitored by Met Éireann and the UK Met Office for Northern Ireland. Environmental concerns include peatland restoration at sites like Bog of Allen, conservation efforts in Killarney National Park and Wicklow Mountains National Park, and biodiversity programmes linked to the Bern Convention and Natura 2000 designations for habitats such as machair and raised bogs.

Human presence dates to Mesolithic hunter-gatherers with archaeological complexes exemplified by Mount Sandel and late Neolithic monuments like Newgrange and Knowth. Early medieval Irish polities include Uí Néill dynasties and monastic centres such as Clonmacnoise and Skellig Michael. Viking settlements produced port towns like Dublin and Waterford, later leading to Norman incursions under figures connected to Strongbow and the Cambro-Norman invasion. The Tudor conquest, plantations in Ulster Plantation, and events such as the Flight of the Earls shaped early modern history. The island experienced the Great Famine in the 1840s, mass emigration, and political movements culminating in the Easter Rising, the Anglo-Irish Treaty, and partition creating Northern Ireland under the Government of Ireland Act 1920 and the Irish Free State. The late 20th century saw the Troubles in Northern Ireland and the Good Friday Agreement; more recent developments include Ireland's membership of the European Union and Brexit-related arrangements like the Northern Ireland Protocol.

Population distribution concentrates in urban centres such as Dublin and Belfast, with historical emigration to destinations like United States, Canada, Australia, and United Kingdom. Languages on the island include Irish and English, with Irish-speaking regions known as the Gaeltacht. Religious traditions feature Roman Catholicism, Church of Ireland, Presbyterianism and smaller communities including Methodists and Judaism. Social institutions include universities such as Trinity College Dublin, University College Dublin, Queen's University Belfast and cultural bodies like the Irish Language Movement and Conradh na Gaeilge.

Economic activities range from agriculture in counties such as County Cork and County Mayo to technology and pharmaceuticals concentrated in Dublin Docklands and multinational hubs—companies like Microsoft, Google, and Pfizer have operations on the island. Transport networks include the M1, M50, rail services by Iarnród Éireann and Northern Ireland Railways, and ports such as Dublin Port and Belfast Harbour. Energy infrastructure encompasses the Shannon Estuary turbines, onshore wind farms in Donegal and transmission links to Great Britain; policy frameworks engage institutions like Central Bank of Ireland and regulatory mechanisms under both European Union and UK regimes.

Cultural life draws on traditions in music with artists linked to Rory Gallagher, The Dubliners, Sinead O'Connor, literature from James Joyce, W. B. Yeats, Seamus Heaney, and theatre practices at Abbey Theatre and Belfast's Lyric Theatre. Sporting identities are expressed through the Gaelic Athletic Association with Croke Park, and sports like rugby union and association football featuring clubs such as Shamrock Rovers and Linfield F.C.. Visual arts, folklore and languages intersect in festivals like St Patrick's Day parades, Galway International Arts Festival and the Fleadh Cheoil; heritage organisations include National Museum of Ireland and Historic Environment Division (Northern Ireland). The island’s identity has been shaped by figures from politics, arts and science such as Michael Collins, Eamon de Valera, Oscar Wilde, and Robert Boyle.