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Leinster Cúige Laighean
Location
Statistics
Area:	19,774.23
Population (2006)	2,292,939

Leinster (IPA: /ˈlɛnstər/; Irish: Laighin or Laigin, IPA: [lainʲ]), one of the Provinces of Ireland, lies in the east of Ireland and comprises the counties of Carlow, Dublin, Kildare, Kilkenny, Laois, Longford, Louth, Meath, Offaly, Westmeath, Wexford and Wicklow. Leinster has the largest population of the four provinces of Ireland. The traditional flag of Leinster features a golden harp on a green background.

Contents 1 Cities 2 Large Towns 3 Economy 4 Name and Early History 5 Borders of Leinster 6 See also 7 References

• The largest city in Leinster is Dublin, the capital of Ireland. The Greater Dublin Area (GDA) has a population of 1,661,185 (2006). Some of the larger urban areas in the GDA are Tallaght (64,282), Blanchardstown (60,000), Clondalkin (43,929) and Lucan (37,622). The City of Kilkenny (and environs) has a population of 23,967 (2006).

In order of size:

• Swords (37,806)
• Drogheda (35,090)
• Dundalk (35,085)
• Bray (31,901)
• Navan (26,938)
• Naas (21,715)
• Wexford (18,590)
• Mullingar (18,529)
• Newbridge (18,520)
• Athlone (16,888)
• Celbridge (14,790)
• Portlaoise (14,275)
• Tullamore (13,085)
• Malahide (11,069)

According to the CSO regional income report, GDP for the province of Leinster in 2004 was estimated to be well over 75 billion Euro.

In ancient times Leinster was occupied by five major Fir-Bolg tribes, of which the tribe of Laigin rose to dominance and gave Leinster its name. The Fir Bolg may be related to the Belgae, but this has not been firmly established. The tribes of Leinster were united by Úgaine Mor Hugony, The Great, who built the hill-fort of Ailinne Knochawlin, near Kilcullen, County Kildare. He is a likely, but uncertain candidate as the first historical King of Laigin (Leinster) in the 7th century BC. The "-ster" of the toponym comes from the Nordic word for state, as the Vikings dominated and held Dublin, Wexford and Waterford, among other times for a period of time (around 800 - 1000).

The kingdom of Laigin was re-founded circa 175/185 AD following a period of civil wars in Ireland by the legendary Cathair Mor.

Finn Mac Cool, or Fionn mac Cumhaill, was reputed to have built a stronghold at the Bog of Almhainn, in what was then Leinster.

In the fourth and fifth centuries, after Magnus Maximus left Britain with his legions, leaving a power vacuum, colonists from Laigin settled in North Wales, specifically in Anglesey, Carnarvonshire, and Denbighshire. In Wales some of the Leinster-Irish colonists left their name on the Llŷn peninsula, which derives its name from Laigin.

By the eighth century, Laigin , had split into two dynasties:

Northern Leinster dynasty: Murchad mac Brain (d. 727), King of Uí Dúnlainge, and joint leader of the Laigin

Southern Leinster dynasty: Áed mac Colggen (d. 738), King of Uí Cheinnselaig, and joint leader of the Laigin

After the death of the last Kildare-based King of Laigin, Murchad Mac Dunlainge in 1042, the Kingship of Leinster reverted to the Uí Cheinnselaig sept based in the south east (southern dynasty) which comprise the later Kings of Leinster.

Some contend it was named after a powerful Welsh colony, meaning Land of the men of the Llyn Peninsula [1][2].

Today, made of twelve counties, it encompasses the old province of Mide (mostly now in modern-day County Meath and County Westmeath). Also in it are County Longford and the Annally and Lusmagh parishes of County Offaly, formerly of Connacht, and County Louth, formerly of Ulster. The borders were redrawn by Cromwell for administration and military reasons. The last major boundary changes occurred with the formation of County Wicklow (1603-1606), from lands in the north of Carlow (which previously extended to the sea) and most of southern Dublin.

Later minor changes dealt with "islands" of one county in another. By the late 18th century, Leinster looked as shown below.

• Kings of Leinster
• Duke of Leinster
• Leinster House
• Provinces of Ireland
• Leinster GAA
• Leinster Rugby
• RMS Leinster

• Foster, R. F. The Oxford History of Ireland. Oxford University Press, Oxford & New York, 1992. ISBN 0-19-285271-X (references to Irish colony in North Wales, Lleyn Peninsula, page 6)
• 2006 Town population estimates

v • d • e Counties of Ireland
Connacht	Galway (Galway City) · Leitrim · Mayo · Roscommon · Sligo
Munster	Clare · Cork (Cork City) · Kerry · Limerick (Limerick City) · Tipperary (North Tipperary • South Tipperary) · Waterford (Waterford City)
Leinster	Carlow · Dublin (Dublin City • Dun Laoghaire-Rathdown • Fingal • South Dublin) · Kildare · Kilkenny · Laois · Longford · Louth · Meath · Offaly · Westmeath · Wexford · Wicklow
Ulster	Cavan · Donegal · Monaghan · Antrim · Armagh · Down · Fermanagh · Londonderry · Tyrone
Italics denote non-administrative counties  ·   (Parentheses) denote eponymous cities or non-traditional counties

CSO Irish Regional Income/GDP 2004 Report