Dublin was founded by Vikings around 841 as a trading settlement on the River Liffey, and the city has spent the centuries since accumulating a literary weight far beyond its modest size — Joyce, Wilde, Shaw, and Beckett all called it home, and their ghosts are still on the syllabus of nearly every pub conversation. In 2026, TripAdvisor named Dublin its Travelers' Choice destination for solo travel, and the reason isn't hard to find: this is a city built for talking to strangers, where the pub isn't a nightlife category but the actual social infrastructure.
For a solo traveler, that makes Dublin unusually easy — order a pint at a bar counter and a conversation will generally find you, no effort required. The city center is genuinely walkable, split by the Liffey into Northside and Southside, with nearly everything worth seeing within a twenty-minute stroll of Trinity College.
| Airlink Express Bus | €8 one-way | Dublin Airport to city centre in about 25 minutes. |
| DART Train | €2.75–€4 | Coastal rail line connecting Dublin Bay towns like Howth and Dún Laoghaire. |
| Luas Tram | €2–€3.70 | Two lines covering the city centre and outer suburbs. |