a Georgian garden square on the southside of Dublin city centre.
considered one of the city's finest surviving squares. Three sides are lined with Georgian redbrick townhouses; the West side abuts the grounds of Leinster House (seat of the Oireachtas), Government Buildings, the Natural History Museum and the National Gallery. The central railed-off garden is now a public park.
text from Wikipedia, licensed under Creative Commons - Attribution - Sharealike
Another prelude to St. Patrick's Day Festival on the day before the big holiday is Big Day Out. Here, at Dublin's Merrion Square, a carnival of color, mayhem, music and magic is on the streets and enjoyed by hundreds of thousands of revelers.
Lester Macklin. Celebrate Around the Calendar: 366 Historical Anecdotes, Affiliated Recipes and a Daily Journal (2007)
---
The National Gallery of Ireland stands near the center of Dublin, directly across from the large green expanse of Merrion Square, with its paved walkways, flowerbeds, and copses of neatly pruned trees.
Jonathan Harr. The Lost Painting, p.143 (2006)
---
shunned the lamp before Mr Law Smith's house and, crossing, walked along Merrion square.