, image_map = Island of Ireland location map Dun Laoghaire–Rathdown.svg , area_total_km2 = 125.8 , area_footnotes = , seat_type =

County town In the United Kingdom and Ireland, a county town is the most important town or city in a county. It is usually the location of administrative or judicial functions within a county and the place where the county's members of Parliament are elect ...

, seat =

Dún Laoghaire Dún Laoghaire ( , ) is a suburban coastal town in Dublin in Ireland. It is the administrative centre of Dún Laoghaire–Rathdown. The town was built following the 1816 legislation that allowed the building of a major port to serve Dubli ...

, blank_name_sec1 = Vehicle index
mark code , blank_info_sec1 = D , leader_title =

Local authority Local government is a generic term for the lowest tiers of public administration within a particular sovereign state. This particular usage of the word government refers specifically to a level of administration that is both geographically-loca ...

, leader_name =

Dún Laoghaire–Rathdown County Council Dún Laoghaire–Rathdown County Council ( ga, Comhairle Contae Dhún Laoghaire–Ráth an Dúin) is the authority responsible for local government in the county of Dún Laoghaire–Rathdown, Ireland. It is one of three local authorities that s ...

, leader_title2 =

Dáil constituencies There are 39 multi-member electoral districts, known as Dáil constituencies, that elect 160 TDs (members of parliament), to Dáil Éireann, Ireland's lower house of the Oireachtas, or parliament, by means of the single transferable vote, ...

, leader_name2 =

Dublin Rathdown , leader_title3 = EP constituency , leader_name3 =

Dublin Dublin (; , or ) is the capital and largest city of Republic of Ireland, Ireland. On a bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, bordered on the south by the Dublin Mountains, a part of th ...

, population_total = 218,018 , population_as_of = 2016 , population_footnotes = , subdivision_type =

Country A country is a distinct part of the world, such as a state, nation, or other political entity. It may be a sovereign state or make up one part of a larger state. For example, the country of Japan is an independent, sovereign state, while the ...

, population_density_km2 = auto , subdivision_name =

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

, subdivision_type1 =

Province A province is almost always an administrative division within a country or sovereign state, state. The term derives from the ancient Roman ''Roman province, provincia'', which was the major territorial and administrative unit of the Roman Empire ...

, subdivision_name1 =

Leinster Leinster ( ; ga, Laighin or ) is one of the provinces of Ireland, situated in the southeast and east of Ireland. The province comprises the ancient Kingdoms of Meath, Leinster and Osraige. Following the 12th-century Norman invasion of Ir ...

, subdivision_type2 =

Region In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...

, subdivision_name2 = Eastern and Midland , website = , timezone = WET , utc_offset = ±0 , timezone_DST =

IST Ist or IST may refer to: Information Science and Technology * Bachelor's or Master's degree in Information Science and Technology * Graduate School / Faculty of Information Science and Technology, Hokkaido University, Japan * Graduate School ...

, utc_offset_DST = +1 , established_title = Established , established_date =1994 , elevation_max_m =536 , elevation_max_point =

Two Rock Two Rock (; archaic: Black Mountain; ' ()) is a mountain in Dún Laoghaire–Rathdown, Ireland. It is high and is the 382nd highest mountain in Ireland. It is the highest point of the group of hills in the Dublin Mountains which comprises Two ...

Dún Laoghaire–Rathdown ( ga, Dún Laoghaire–Ráth an Dúin) is a

county A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

. It is part of the

province A province is almost always an administrative division within a country or sovereign state, state. The term derives from the ancient Roman ''Roman province, provincia'', which was the major territorial and administrative unit of the Roman Empire ...

and the

Eastern and Midland Region The Eastern and Midland Region has been defined as a region in Ireland since 1 January 2015. It is a NUTS Level II statistical region of Ireland (coded IE06). NUTS 2 Regions may be classified as ''less developed regions'', ''transition ...

. It is one of three successor counties to

County Dublin "Action to match our speech" , image_map = Island_of_Ireland_location_map_Dublin.svg , map_alt = map showing County Dublin as a small area of darker green on the east coast within the lighter green background of ...

, which was disestablished in 1994. It is named after the former borough of

and the

barony Barony may refer to: * Barony, the peerage, office of, or territory held by a baron * Barony, the title and land held in fealty by a feudal baron * Barony (county division), a type of administrative or geographical division in parts of the British ...

of Rathdown.

is the

local authority Local government is a generic term for the lowest tiers of public administration within a particular sovereign state. This particular usage of the word government refers specifically to a level of administration that is both geographically-loca ...

for the county. The population of the county was 218,018 at the time of the 2016 census.

Geography and subdivisions

Dún Laoghaire–Rathdown is bordered to the east by the

Irish Sea The Irish Sea or , gv, Y Keayn Yernagh, sco, Erse Sie, gd, Muir Èireann , Ulster-Scots: ''Airish Sea'', cy, Môr Iwerddon . is an extensive body of water that separates the islands of Ireland and Great Britain. It is linked to the Ce ...

, to the north by the city of

, to the west by the county of

South Dublin , image_map = Island of Ireland location map South Dublin.svg , map_caption = Inset showing South Dublin (darkest green in inset) within Dublin Region (lighter green) , area_total_km2 ...

, and to the south by

County Wicklow County Wicklow ( ; ga, Contae Chill Mhantáin ) is a county in Ireland. The last of the traditional 32 counties, having been formed as late as 1606, it is part of the Eastern and Midland Region and the province of Leinster. It is bordered by t ...

. With the city of Dublin,

Fingal Fingal ( ; ) is a county in Ireland. It is located in the province of Leinster and is part of the Eastern and Midland Region. It is one of three successor counties to County Dublin, which was disestablished for administrative purposes in 1994. ...

and South Dublin, it is one of four local government areas in the old County Dublin. Located to the south-east of the capital city of Dublin, the

county town In the United Kingdom and Ireland, a county town is the most important town or city in a county. It is usually the location of administrative or judicial functions within a county and the place where the county's members of Parliament are elect ...

of Dún Laoghaire–Rathdown is

. Since 2015, the county in part of the

University College Dublin University College Dublin (commonly referred to as UCD) ( ga, Coláiste na hOllscoile, Baile Átha Cliath) is a public research university in Dublin, Ireland, and a collegiate university, member institution of the National University of Ireland ...

and

Dún Laoghaire Institute of Art, Design and Technology Dún Laoghaire Institute of Art, Design and Technology ( ga, Institiúid Ealaíona, Dearadh agus Teicneolaíochta Dhún Laoghaire), more commonly known as IADT Dún Laoghaire or simply IADT is an institute of technology with a focus on art and ...

are located in the county.

Towns, villages and suburbs

Ballinteer Ballinteer () is a small southside suburb of Dublin, located in Dún Laoghaire–Rathdown, Ireland, extensively developed from the late 1960s onwards. Geography Ballinteer is located approximately from the city centre. To the west is R ...

Ballybrack Ballybrack () is a residential suburb of Dublin on its Southside, located in Dún Laoghaire–Rathdown, Ireland. It is south of Killiney, northeast of Loughlinstown, east of Cabinteely and north of Shankill. Population The population of ...

Ballyogan Ballyogan () is a residential area in Dún Laoghaire–Rathdown, Ireland, located approximately 12 km south of Dublin city centre. Location Ballyogan is bounded to the west and north by Stepaside and Sandyford; across the M50 motorway to ...

Blackrock BlackRock, Inc. is an American Multinational corporation, multi-national investment company based in New York City. Founded in 1988, initially as a Enterprise risk management, risk management and fixed income institutional asset manager, BlackR ...

Booterstown Booterstown () is a coastal suburb of the city of Dublin in Ireland. It is also a townland and civil parish in the modern county of Dún Laoghaire–Rathdown. It is situated about south of Dublin city centre. History There is some debate on ...

* Belfield *

Cabinteely Cabinteely () is a suburb of Dublin's southside. It is in Dún Laoghaire–Rathdown, County Dublin, Ireland. Geography Cabinteely lies around the crossroads of Johnstown Road / Brennanstown Road and the Old Bray Road, and on either side of the ...

Carrickmines Carrickmines () is an outer suburb of Dublin in Dún Laoghaire–Rathdown, Ireland. The area, still semi-rural, was historically on the border of English control and featured a defensive construction, Carrickmines Castle, which became the subjec ...

Cherrywood Cherrywood () is a developing suburb of Dublin, Ireland, bordering Cabinteely, Loughlinstown and Rathmichael. It is located to the southeast of the city, in Dún Laoghaire–Rathdown. The development commenced on a greenfield site in 1998 and ...

* Churchtown *

Clonskeagh Clonskeagh or Clonskea (, meaning "meadow of the Crataegus monogyna, Whitethorn"; pronounced ), is a small southern suburb of Dublin, Republic of Ireland, Ireland. The district straddles the River Dodder. Location and access Clonskeagh is a t ...

Dalkey Dalkey ( ; ) is an affluent suburb of Dublin, and a seaside resort southeast of the city, and the town of Dún Laoghaire, in the county of Dún Laoghaire–Rathdown in the historic County Dublin, Ireland. It was founded as a Viking settlement ...

Deansgrange Deansgrange () is a southern suburb of Dublin, centred on the crossroads of Clonkeen Road and Kill Lane. The area shares the name Clonkeen () with the area further east, known as Kill of the Grange (i.e. "Church of the Grange of ": referring to ...

* Dundrum *

Foxrock Foxrock () is an affluent suburb of Dublin, Ireland. It is within the county of Dún Laoghaire–Rathdown, in the postal district of Dublin 18 and in the Roman Catholic parish of Foxrock. History The suburb of Foxrock was developed by William a ...

Goatstown Goatstown () is a small Southside suburb of Dublin, Ireland. To the west is Dundrum, to the east is Blackrock, to the south is Sandyford, and to the north Ranelagh. It is mainly a residential area, with a primary school called Our Lady’s Gro ...

Glasthule Glasthule ( ; ) is a suburb of Dublin, Republic of Ireland, Ireland. It is along County Dublin, County Dublin’s south coast, between Dún Laoghaire and Dalkey. Amenities Sandycove and Glasthule are served by a number of businesses and ameni ...

Glenageary Glenageary ( ga, Gleann na gCaorach , meaning "Glen of the Sheep") is an area in the suburbs of Dún Laoghaire–Rathdown, Ireland. While there is no officially defined boundary, it is surrounded by the areas of Dalkey, Dún Laoghaire, Glasthule ...

Glencullen Glencullen () is a village and townland in the county of Dún Laoghaire–Rathdown in south County Dublin, Ireland. It is also the name of the valley above one end of which the village sits, and from which it takes its name, and is on the R ...

* Johnstown *

Killiney Killiney () is an affluent seaside resort and suburb in Dún Laoghaire–Rathdown, Ireland. It lies south of neighbouring Dalkey, east of Ballybrack and Sallynoggin and north of Shankill. The place grew around the 11th century Killiney Churc ...

Kilmacud Kilmacud () is a suburban area of Dublin in Dún Laoghaire–Rathdown, Ireland, at least partly contiguous with Stillorgan. Name ''Kilmacud'' is an anglicisation of the Irish name , "church of aintMochuda". The identity of the dedicatee ...

Kilternan Kilternan (), also known as Kiltiernan, is a village in Dún Laoghaire–Rathdown, in the foothills of the Wicklow Mountains south of Dublin, Ireland, near the border with County Wicklow. Location Separated from the continuous built-up Dubli ...

Leopardstown Leopardstown () is a suburb of Dublin in Dún Laoghaire–Rathdown, within the traditional County Dublin, Ireland. Located at the foot of the Dublin Mountains, it is a residential suburb with institutional lands and a large racecourse. It is di ...

Loughlinstown Loughlinstown () is a southern Dublin suburb, located in Dún Laoghaire–Rathdown, on the N11 national road. Loughlinstown is the location of St. Columcille's Hospital, which serves both south Dublin and Wicklow. The European Foundation for ...

* Monkstown *

Mount Merrion Mount Merrion () is a suburb of Dublin, Ireland. It is roughly 7 kilometres (5 mi) south of Dublin city centre and is situated on and around the hill of the same name. Location and access Mount Merrion is 3 kilometres (2 mi) south ...

Rathfarnham Rathfarnham () is a Southside suburb of Dublin, Ireland. It is south of Terenure, east of Templeogue, and is in the postal districts of Dublin 14 and 16. It is within the administrative areas of both Dún Laoghaire–Rathdown County Council a ...

Sandyford Sandyford () is a suburb of Dublin, located in Dún Laoghaire–Rathdown, Ireland. Sandyford Business District makes up much of the suburb and encompasses 4 business parks: Sandyford Business Park, Stillorgan Business Park, Central Park and ...

Sandycove Sandycove () is a suburb of Dublin, Ireland. It is southeast of Dún Laoghaire and Glasthule, and northwest of Dalkey. It is a popular seaside resort and is well known for its bathing place, the Forty Foot, which in the past was reserved for me ...

Sallynoggin Sallynoggin () is an area of Dublin in Ireland, in Dún Laoghaire–Rathdown county and the Dáil constituency of Dún Laoghaire. The area consists mainly of former local authority housing built between the late 1940s and the mid-1950s by the ...

* Shankill * Stepaside *

Stillorgan Stillorgan (, also ''Stigh Lorcáin'' and previously ''Tigh Lorcáin'' or ''Teach Lorcáin''), formerly a village in its own right, is now a suburban area of Dublin in Ireland. Stillorgan is located in Dún Laoghaire–Rathdown, and contains ma ...

Ticknock Ticknock or Tiknock () is a townland southwest of Sandyford in Dublin at the northeastern foothills of the Dublin Mountains. The townland of Tiknock is in the electoral division of Dundrum, and has an area of approximately . There are a number o ...

Administrative history

In 1986, the

administrative county An administrative county was a first-level administrative division in England and Wales from 1888 to 1974, and in Ireland from 1899 until either 1973 (in Northern Ireland) or 2002 (in the Republic of Ireland). They are now abolished, although mos ...

was divided into three "electoral counties": Dún Laoghaire–Rathdown, Dublin—Fingal, and Dublin—Belgard. The city has been administered separately from County Dublin since 1548. An "area committee" for the electoral county was formed within

Dublin County Council Dublin County Council ( ga, Comhairle Contae Bhaile Átha Cliath) was a local authority for the administrative county of County Dublin in Ireland. History The county council was established by the Local Government (Ireland) Act 1898. Its headquart ...

under the Local Government Act 1991, On 1 January 1994,

and the

Borough of Dún Laoghaire The Borough of Dún Laoghaire was a borough on the southern coast of County Dublin, Ireland from 1930 to 1994. Its local authority was the Corporation of Dún Laoghaire. Whereas most Irish boroughs had the limited autonomy of an urban district ...

were abolished and the three electoral counties became the administrative counties of Dún Laoghaire–Rathdown,

, and

respectively.; Dún Laoghaire–Rathdown comprises the former Borough of Dún Laoghaire and the south-eastern part of the former County Dublin. Additionally, the powers of the former

Joint Burial Board were subsumed into the new authority. From 2002, all "administrative counties" in Ireland were redesignated as "counties". The three counties together with Dublin city constitute the old County Dublin.

Naming

The coastal town of

(called ''Dunleary'' until 1821 and then ''Kingstown'' until 1920) gave its name to the larger

borough of Dún Laoghaire The Borough of Dún Laoghaire was a borough on the southern coast of County Dublin, Ireland from 1930 to 1994. Its local authority was the Corporation of Dún Laoghaire. Whereas most Irish boroughs had the limited autonomy of an urban district ...

established in 1930. Rathdown was the south-easternmost

in County Dublin, named after

Rathdown Castle Rathdown Castle is a ruined castle and ancient settlement site located in County Wicklow, Ireland. Location Rathdown Castle was located in a deep ravine immediately northeast of Kindlestown Castle and north of Greystones village. In the field ...

. When

was created south of County Dublin in 1606, half of Rathdown was transferred to Wicklow, including Rathdown Castle, now a ruin. From the 1840s, the poor law union (PLU) of Rathdown covered all of the Wicklow barony and most of the Dublin barony, with part of Uppercross. From the Dublin and Wicklow sections of the PLU, the

Local Government (Ireland) Act 1898 The Local Government (Ireland) Act 1898 (61 & 62 Vict. c. 37) was an Act of the Parliament of the United Kingdom of Great Britain and Ireland that established a system of local government in Ireland similar to that already created for England, ...

created

rural district Rural districts were a type of local government area – now superseded – established at the end of the 19th century in England, Wales, and Ireland for the administration of predominantly rural areas at a level lower than that of the Ad ...

s respectively named Rathdown No. 1 and Rathdown No. 2, abolished in 1930 and 1925. Rathdown PLU survived as Rathdown Public Assistance District until 1960. Dún Laoghaire and Rathdown was a Dáil constituency created by the

Electoral (Amendment) Act 1947 The Electoral (Amendment) Act 1947 (No. 31) was a law in Ireland which revised Dáil constituencies. The new constituencies were first used for the 13th Dáil, elected at the 1948 general election on 4 February 1948. This Act repealed the El ...

coterminous with the former Rathdown No. 1 rural district. The name "Dún Laoghaire–Rathdown" was given to the electoral county created in 1985. Before its establishment as an administrative county, possible alternative names before deciding to retain "Dún Laoghaire–Rathdown". The

Local Government (Dublin) Act 1993 The Local Government (Dublin) Act 1993 was an Act passed by the Oireachtas. It abolished the County Dublin and awarded county status to: * Dún Laoghaire–Rathdown and established Dún Laoghaire–Rathdown County Council, * South Dublin and est ...

named it "Dun Laoghaire–Rathdown" in English, omitting the on the "u" of "Dun", and in Irish. The 1993 act empowered

(DLRCC) to apply to change the county's name, but this was not invoked. The spelling in English as "Dun Laoghaire–Rathdown", without the , is used in the list of counties in the Local Government Act 2001 (and as amended by the

Local Government Reform Act 2014 The Local Government Reform Act 2014 (No. 1) is an act of the Oireachtas which provided for a major restructuring of local government in Ireland with effect from the 2014 local elections. It merged some first-tier county and city councils, ...

). However, in the

Placenames Database of Ireland The Placenames Database of Ireland ( ga, Bunachar Logainmneacha na hÉireann), also known as , is a database and archive of place names in Ireland. It was created by Fiontar, Dublin City University in collaboration with the Placenames Branch of t ...

and the ministerial order under the

Official Languages Act 2003 The Official Languages Act 2003 ( ga, Acht na dTeangacha Oifigiúla 2003) is an Act of the Oireachtas of Ireland. The Act sets out rules regarding use of the Irish language by public bodies; established the office of to monitor and enforce compli ...

, the name of the county in English is "Dún Laoghaire–Rathdown". This is followed by the County Council, with the used in English. The placenames order also distinguishes between the use of "County" as a prefix for the traditional counties, but not in the case of "Dún Laoghaire–Rathdown" and other counties listed as "administrative counties".

Local government and politics

Dún Laoghaire–Rathdown County Council is the

for the county. There are six

local electoral area A local electoral area (LEA; ga, Toghlimistéir Áitiúil) is an electoral area for elections to local authorities in Ireland. All elections use the single transferable vote. The Republic of Ireland is divided into 166 LEAs, with an average po ...

s (LEAs) for the county which return a total of 40 councillors as follows:

(6), Dundrum (7),

(7),

–

(7),

– Shankill (7), and

(6). For elections to

Dáil Éireann Dáil Éireann ( , ; ) is the lower house, and principal chamber, of the Oireachtas (Irish legislature), which also includes the President of Ireland and Seanad Éireann (the upper house).Article 15.1.2º of the Constitution of Ireland read ...

, the county is split between the

(4 TDs) and Dublin Rathdown (3 TDs), with the division generally running along the N11. These constituencies currently have three

Fine Gael Fine Gael (, ; English: "Family (or Tribe) of the Irish") is a liberal-conservative and Christian-democratic political party in Ireland. Fine Gael is currently the third-largest party in the Republic of Ireland in terms of members of Dáil � ...

TDs, two

Green Party A green party is a formally organized political party based on the principles of green politics, such as social justice, environmentalism and nonviolence. Greens believe that these issues are inherently related to one another as a foundation ...

TDs, one

Fianna Fáil Fianna Fáil (, ; meaning 'Soldiers of Destiny' or 'Warriors of Fál'), officially Fianna Fáil – The Republican Party ( ga, audio=ga-Fianna Fáil.ogg, Fianna Fáil – An Páirtí Poblachtánach), is a conservative and Christian- ...

TD and one

People Before Profit/Solidarity People Before Profit/Solidarity ( ga, Pobal Roimh Bhrabús/Dlúthphairtíocht, PBPS, PBP/S, or S-PBP) is a left-wing electoral alliance in the Republic of Ireland. It was formed by members of two socialist political parties in the Republic of I ...

TD. It is part of the 4-seat

constituency in

European Parliament elections Elections to the European Parliament take place every five years by universal adult suffrage; with more than 400 million people eligible to vote, they are considered the second largest democratic elections in the world after India's. Unti ...

County motto

The motto on the insignia of the County Council reads, ,

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

for "From Harbour to Mountain". The crown in the device is that of

Lóegaire mac Néill Lóegaire (''floruit'' fifth century) (reigned 428–458 AD, according to the Annals of the Four Masters of the Kingdom of Ireland)(died c. 462), also Lóeguire, is said to have been a son of Niall of the Nine Hostages. The Irish annals and king ...

, a legendary 5th-century

High King of Ireland High King of Ireland ( ga, Ardrí na hÉireann ) was a royal title in Gaelic Ireland held by those who had, or who are claimed to have had, lordship over all of Ireland. The title was held by historical kings and later sometimes assigned ana ...

and the eponymous Laoghaire of "Dún Laoghaire".

Demographics

Transport

The

Dublin Area Rapid Transit The Dublin Area Rapid Transit system (stylised as DART) is an electrified commuter rail railway network serving the coastline and city of Dublin, Ireland. The service makes up the core of Dublin's suburban railway network, stretching from Grey ...

(DART) system runs through the eastern coast of the county and connects to Dublin city centre to the north as well as other points north and south on the

Iarnród Éireann Iarnród Éireann () or Irish Rail, is the operator of the national railway network of Ireland. Established on 2 February 1987, it is a subsidiary of Córas Iompair Éireann (CIÉ). It operates all internal InterCity, Commuter, DART and fr ...

railway system, with connections to

Intercity InterCity (commonly abbreviated ''IC'' on timetables and tickets) is the classification applied to certain long-distance passenger train services in Europe. Such trains (in contrast to regional, local, or commuter trains) generally call at m ...

trains. The green

Luas Luas (pronounced ; Irish for "speed") is a tram/ light rail system in Dublin, Ireland. There are two main lines: the Green Line, which began operating on 30 June 2004, and the Red Line which opened on 26 September 2004. Since then, both lin ...

line runs through the centre of the county. There is a medium-sized harbour at Dún Laoghaire, with now discontinued ferry crossings to and from

Holyhead Holyhead (,; cy, Caergybi , "Cybi's fort") is the largest town and a community in the county of Isle of Anglesey, Wales, with a population of 13,659 at the 2011 census. Holyhead is on Holy Island, bounded by the Irish Sea to the north, and is ...

in North

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

; this was a popular route for tourists travelling across the

from

Britain Britain most often refers to: * The United Kingdom, a sovereign state in Europe comprising the island of Great Britain, the north-eastern part of the island of Ireland and many smaller islands * Great Britain, the largest island in the United King ...

. This service was suspended indefinitely in September 2014.

Footnotes

References

External links

Dún Laoghaire–Rathdown County CouncilDún Laoghaire–Rathdown County Enterprise BoardDún Laoghaire–Rathdown Tourism
{{DEFAULTSORT:Dun Laoghaire-Rathdown Counties of the Republic of Ireland County Dublin Local government areas of the Republic of Ireland