grahamwell / Graham profile at Flickr website, CC BY-SA 2.0
Cardiff
Cardiff is the capital and largest city of Wales, with Cardiff Castle in the city centre, Cardiff Bay to the south and the Principality Stadium.
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Where to stay, by what matters to you
- Places to stay with a level walk to the beach in Cardiff
- Places to stay in Cardiff that work without a car
- Quiet places to stay in Cardiff: few bars nearby
- Lively places to stay in Cardiff: bars and clubs close by
- Within 30 minutes by car of Castell Coch
- Within 30 minutes by car of Llandaff Cathedral
- Within 30 minutes by car of Caerphilly Castle
- Within 30 minutes by car of Cardiff Bay
- Within 30 minutes by car of Barry Island
- Within 30 minutes by car of Cardiff Airport
- Within 20 minutes of Cardiff Castle
- Within 20 minutes of Principality Stadium
Best things to do in Cardiff
The one thing not to miss
Cardiff's top draw by readers is the Principality Stadium, Wales's national rugby ground right in the city centre. For a visit outside match days, Cardiff Castle is close by and Caerphilly Castle is a short trip north.
Principality Stadium1. Principality Stadium
The national stadium of Wales, in the middle of Cardiff, with a retractable roof and a usual capacity of 73,931. It is home to the Wales rugby union team and also hosts concerts and other big events.
Visits are built around match and event days; check the stadium's own site for what is on before you plan around it.
20,782 readers a month
2. Cardiff Castle
A medieval castle and Victorian Gothic revival mansion in the city centre. The first castle was built in the late 11th century by the Normans on top of a 3rd-century Roman fort.
Opening times change by season and the castle closes early on summer concert days; check the official opening times page before you go.
5,310 readers a month
3. Caerphilly Castle
A 13th-century castle in Caerphilly, north of Cardiff. At about 30 acres it is the largest castle in Wales, ringed by artificial lakes and famed for its concentric defences and large gatehouses.
Run by Cadw. Hours vary by season, the highest points can close in poor weather, and Cadw advises checking its social media for short-notice closures.
4,683 readers a month
4. Barry Island
A seaside resort peninsula in the Vale of Glamorgan on the Bristol Channel, part of the town of Barry. The coast here has a tidal range of 15 metres, the world's second highest.
3,242 readers a month
Sources
5. Castell Coch
A 19th-century Gothic Revival castle above the village of Tongwynlais, on the northern edge of Cardiff. A Norman castle stood here first, and the stone fortification of the 1260s and 1270s was rebuilt in the Victorian era.
Run by Cadw, which also sells a joint ticket with Caerphilly Castle. Check opening times before you go.
3,200 readers a month
6. Cardiff Bay
A former tidal bay and estuary turned into a 500-acre freshwater lake when the Cardiff Bay Barrage dammed the rivers Taff and Ely in 1999. It is the centrepiece of the area's 1990s regeneration, with the Pierhead Building on the waterfront.
2,679 readers a month
7. Wales Millennium Centre
Wales's national arts centre in Cardiff Bay. The first phase opened in November 2004 and the second in January 2009.
Shows are ticketed individually; check the programme on the centre's site.
1,752 readers a month
8. Llandaff Cathedral
The seat of the Bishop of Llandaff, a Church in Wales cathedral in Llandaff, Cardiff. It is dedicated to Saint Peter and Saint Paul and to three Welsh saints, and is one of two cathedrals in the city.
We have not confirmed visiting hours; check with the cathedral first.
1,680 readers a month
9. Brecon Beacons (Bannau Brycheiniog)
A national park in Wales, officially Bannau Brycheiniog National Park, centred on the mountain range of the same name. Its highest peak, Pen y Fan, is the highest mountain in South Wales at 886 metres.
Mountain weather changes fast; prepare for hill conditions before setting out.
1,679 readers a month
10. National Museum Cardiff
A museum and art gallery in Cardiff, part of Amgueddfa Cymru, Museum Wales. Entry is free thanks to a Welsh Government grant.
Museum Wales asks visitors to book a free admission ticket. A temporary closure was announced in February 2025, so confirm it is open before you go.
1,318 readers a month
Just missed the list: St Fagans National Museum of History (11th by readers; an open-air museum of Welsh history); Tredegar House (12th by readers; a historic house in Newport)
How we ranked these
By how many people read about each place on English Wikipedia in a typical month, measured October 2026. It is a popularity measure, not our opinion. Principality Stadium leads with about 20,782 readers a month. Photos come from Wikimedia Commons under free licences; the author and licence are on each photo.
Research required. Area notes for this destination are not written yet. The top 10 above is sourced; the rest of this page is an outline.
Affiliate disclosure: Booking links on this site are partner links. Once our partnership is active we earn a commission if you book, at no extra cost to you. It does not change what we recommend. How this works.