List and map with information about the main must-see tourist attractions in Dublin, Ireland. Ranked by popularity.
Dublin Zoo (Irish: Zú Bhaile Átha Cliath), in Phoenix Park, Dublin, is a zoo in Ireland, and one of Dublin's most popular attractions. Established and designed in 1830 by Decimus Burton, it opened the following year. Today it focuses on conservation projects, breeding programmes, and growing awareness for animals. 
The Book of Kells (Dublin, Trinity College Library, MS A. I., sometimes known as the Book of Columba) is an illuminated manuscript Gospel book in Latin, containing the four Gospels of the New Testament together with various prefatory texts and tables. 
Guinness Storehouse is a tourist attraction at St. James's Gate Brewery in Dublin, Ireland. Since opening in 2000, it has received over twenty million visitors. The Storehouse covers seven floors surrounding a glass atrium shaped in the form of a pint of Guinness. 
The Phoenix Park (Irish: Páirc an Fhionnuisce) is a large urban park in Dublin, Ireland, lying 2–4 kilometres (1.2–2.5 mi) west of the city centre, north of the River Liffey. Its 11 kilometres (6.8 mi) perimeter wall encloses 707 hectares (1,750 acres) of recreational space. It includes large areas of grassland and tree-lined avenues, and since the 17th century has been home to a herd of wild fallow deer. The Irish Government is lobbying UNESCO to have the park designated as a world heritage site. 
Saint Patrick's Cathedral (Irish: Ard-Eaglais Naomh Pádraig) in Dublin, Ireland, founded in 1191 as a Roman Catholic cathedral. Since 1870, the Church of Ireland has designated St Patrick's as the national cathedral for the whole of Ireland, drawing chapter members from each of the 12 dioceses of the Church of Ireland. 
Christ Church Cathedral, more formally The Cathedral of the Holy Trinity, is the cathedral of the United Dioceses of Dublin and Glendalough and the cathedral of the ecclesiastical province of the United Provinces of Dublin and Cashel in the (Anglican) Church of Ireland. It is situated in Dublin, Ireland, and is the elder of the capital city's two medieval cathedrals, the other being St Patrick's Cathedral. The cathedral was founded in the early 11th century under the Viking king Sitric Silkenbeard. 
The General Post Office (GPO; Irish: Ard-Oifig an Phoist) is the headquarters of An Post — the Irish Post Office. It is the principal post office of Dublin and is situated in the centre of O'Connell Street, the city's main thoroughfare. It is one of Ireland's most famous buildings, not least because it served as the headquarters of the leaders of the Easter Rising against British rule in Ireland. It was the last great Georgian public building to be erected in the capital. 
Jeanie Johnston is a replica of a three masted barque that was originally built in Quebec, Canada, in 1847 by the Scottish-born shipbuilder John Munn. The replica Jeanie Johnston performs a number of functions: an ocean-going sail training vessel at sea and in port converts into a living history museum on 19th century emigration and, in the evenings, is used as a corporate event venue. 
The National Botanic Gardens (Irish: Garraithe Náisiúnta na Lus) is a botanical garden in Glasnevin, 5 km north-west of Dublin city centre, Ireland. The gardens were founded in 1795 by the Dublin Society and are today in State ownership through the Office of Public Works. They house approximately 20,000 living plants and many millions of dried plant specimens. 
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To rank the attractions in this list, we compared Google search popularity globally over the latest 12 months.
The data in this list was updated between 2023-03-10 and 2023-04-11.