A photograph of United Kingdom

Country guide

1 to 2 hours in United Kingdom

The United Kingdom is 244,376 km² holding 69,281,437 people, and it is four countries rather than one: England, Scotland, Wales and Northern Ireland, with Londo...

Photograph · Colin · CC BY-SA 4.0

27,738 Places
4Cities

Reviewed by Elena Voss · Roavina Travel Editor

The United Kingdom is 244,376 km² holding 69,281,437 people, and it is four countries rather than one: England, Scotland, Wales and Northern Ireland, with London, Edinburgh, Cardiff and Belfast as their capitals. Three of the four run parliaments of their own over devolved matters, and the law splits three ways — England and Wales, Scotland, Northern Ireland. A visitor meets that in small practical things rather than at a border. London alone holds about 9.1 million of the total, which is why so many trips never leave it, and why the ones that do feel like arriving somewhere else.

Checked 2026-08-25

Cities

Every city catalogued in this country so far, ranked by how much there is to see.

Practical information

Language spoken
English; Welsh is official in Wales
National practical orientation; regional and minority languages may also be used
Dialling code
+44
International calling code; local area and mobile prefixes still apply
Currency
Pound sterling (GBP)
Use the official local currency; card acceptance varies by place
Emergency number
999 or 112
Use only for an emergency; tourist assistance may use a separate number
Plug type
Type G · 230 V
Check that chargers support the recorded voltage before using an adapter
Tap water
Safe from the mains
Public water suppliers regulate mains drinking water; use cold mains taps

Top things to see

Ranked by importance — sitelinks, pageviews and heritage status, not editor preference.

  1. Maritime Greenwich Maritime Greenwich
    02 2 hours

    Maritime Greenwich

    Maritime Greenwich is a historic district in southeast London, recognised as a UNESCO World Heritage Site. It encompasses significant maritime heritage structures including the Royal Observatory, the Old Royal Naval College, the National Maritime Museum, and the preserved town centre.

    • Must see
    • Historic site
    • London
  2. Buckingham Palace Buckingham Palace
    03 1 hr 30 min

    Buckingham Palace

    Buckingham Palace is the London residence and the administrative headquarters of the British monarch, standing at the western end of The Mall in the City of Westminster.

    • Must see
    • Historic site
    • London
  3. Westminster Abbey Westminster Abbey
    04 2 hours

    Westminster Abbey

    Westminster Abbey brings together royal ceremony, memorials and daily worship in a church whose architecture developed over centuries. Coronations have taken place here since 1066.

    • Must see
    • Historic site
    • London
  4. Tower Bridge Tower Bridge
    05 1 hr 15 min

    Tower Bridge

    Tower Bridge combines a working Thames crossing with a visitor attraction inside its towers and former engine rooms. Crossing on the public pavement does not require an attraction ticket; going upstairs to the Walkways does.

    • Must see
    • Historic site
    • London
  5. British Library British Library
    06 1 hr 30 min

    British Library

    The British Library is the national library of the United Kingdom and, by collection size, one of the largest libraries in the world: more than 200 million items, including roughly 13.95 million books, 351,116 manuscripts, 8.27 million philatelic items and…

    • Must see
    • Historic site
    • London
  6. St Paul's Cathedral St Paul's Cathedral
    07 2 hours

    St Paul's Cathedral

    St Paul's Cathedral is the cathedral church of the Diocese of London and the great domed building on Ludgate Hill, designed by Sir Christopher Wren and built between 1675 and 1710 after the medieval cathedral on the site burned in…

    • Must see
    • Historic site
    • London
  7. Hyde Park Hyde Park
    08 1 hr 30 min

    Hyde Park

    Hyde Park is a 350-acre (140-hectare) royal park in the City of Westminster, the largest of the four central London parks and the one that runs west from Marble Arch and Hyde Park Corner to the Serpentine and the boundary…

    • Must see
    • Historic site
    • London
  8. Kensington Palace Kensington Palace
    09 2 hours

    Kensington Palace

    Kensington Palace is a royal residence on the western edge of Kensington Gardens, half of it open as a historic house and half of it still lived in.

    • Must see
    • Historic site
    • London
  9. Big Ben Big Ben
    10 1 hr 45 min

    Big Ben

    Elizabeth Tower

    Big Ben is the bell, not the tower.

    • Must see
    • Historic site
    • London
  10. Palace of Westminster Palace of Westminster
    11 2 hours

    Palace of Westminster

    The Palace of Westminster is the seat of the two houses of the United Kingdom Parliament and, unlike the other great buildings on this stretch of the Thames, it is a workplace before it is a monument.

    • Must see
    • Historic site
    • London
  11. Edinburgh Castle Edinburgh Castle
    12 2 hours

    Edinburgh Castle

    Edinburgh Castle sits on a plug of volcanic rock at the head of the Royal Mile, and it is the reason the city grew where it did.

    • Must see
    • Historic site
    • Edinburgh
  12. Madame Tussauds Madame Tussauds
    13 1 hr 30 min

    Madame Tussauds

    Madame Tussauds London is a self-guided wax-figure attraction on Marylebone Road, rather than a conventional museum where every object is viewed behind glass. The operator describes more than 150 figures across themed spaces and additional immersive experiences.

    • Must see
    • Museum
    • London
  13. Royal Observatory Royal Observatory
    14 1 hr 30 min

    Royal Observatory

    Royal Observatory Greenwich

    The Royal Observatory stands on the hill in Greenwich Park where Charles II commissioned it in 1675 to fix longitude at sea, and it is the reason the world sets its clocks from a line drawn through south-east London.

    • Must see
    • Museum
    • London
  14. National Gallery National Gallery
    15 2 hours

    National Gallery

    The National Gallery is London's national collection of paintings in the Western European tradition. Its collection of more than 2,600 works brings together late medieval religious pictures, Renaissance portraits, Dutch scenes of everyday life and French Impressionist painting.

    • Must see
    • Art and culture venue
    • London
  15. Holyrood Palace Holyrood Palace
    16 2 hours

    Holyrood Palace

    Palace of Holyroodhouse

    The Palace of Holyroodhouse is the King's official residence in Scotland and a public visit that combines royal rooms, the remains of Holyrood Abbey and palace gardens.

    • Must see
    • Historic site
    • Edinburgh
  16. Tate Modern Tate Modern
    17 2 hours

    Tate Modern

    Tate Modern occupies the former Bankside Power Station, converted into an art gallery by Herzog & de Meuron.

    • Must see
    • Art and culture venue
    • London
  17. Apsley House Apsley House
    18 1 hr 30 min

    Apsley House

    Apsley House is a Georgian townhouse at Hyde Park Corner, also known as Number One, London. It became the London home of Arthur Wellesley, the first Duke of Wellington, whose military career included victory over Napoleon at Waterloo.

    • Must see
    • Museum
    • London
  18. Freud Museum London Freud Museum London
    19 1 hr 30 min

    Freud Museum London

    Freud Museum London preserves the Hampstead home of Sigmund Freud, founder of psychoanalysis, and his daughter Anna Freud, a major figure in child psychoanalysis.

    • Must see
    • Museum
    • London
  19. Royal Academy of Arts Royal Academy of Arts
    20 1 hr 30 min

    Royal Academy of Arts

    The Royal Academy of Arts is an art institution based in Burlington House on Piccadilly in London. Founded in 1768, it operates as an independent, privately funded institution led by eminent artists and architects.

    • Must see
    • Museum
    • London
  20. Sir John Soane's Museum Sir John Soane's Museum
    21 1 hr 30 min

    Sir John Soane's Museum

    Sir John Soane's Museum is the former London home, studio and collection of the neo-classical architect John Soane. At 13 Lincoln's Inn Fields, Soane reshaped an ordinary Georgian house into an intensely personal setting for architecture, art and antiquities.

    • Must see
    • Museum
    • London
  21. Imperial War Museum London Imperial War Museum London
    22 1 hr 30 min

    Imperial War Museum London

    Imperial War Museum London is a major museum about conflict and its effects on military and civilian life. Founded in 1917 to record the First World War, it now covers conflicts from that period to the present.

    • Must see
    • Museum
    • London
  22. Cutty Sark Cutty Sark
    23 1 hr 30 min

    Cutty Sark

    Cutty Sark is a preserved nineteenth-century clipper ship in Greenwich. Launched in 1869, she was built for the fast tea trade between China and Britain and later carried wool from Australia.

    • Must see
    • Museum
    • London
  23. Scottish National Gallery Scottish National Gallery
    24 1 hr 30 min

    Scottish National Gallery

    National Gallery

    The Scottish National Gallery, branded by National Galleries of Scotland simply as the National, is the principal gallery on the Mound above Princes Street Gardens.

    • Must see
    • Art and culture venue
    • Edinburgh
  24. Horniman Museum and Gardens Horniman Museum and Gardens
    25 1 hr 30 min

    Horniman Museum and Gardens

    Horniman Museum

    Horniman Museum and Gardens is a museum, aquarium and landscaped garden complex in Forest Hill, south London.

    • Must see
    • Museum
    • London

Source: OpenStreetMap contributors, Wikidata ·

Common questions

How long should a first trip to United Kingdom be?

Ten to fourteen days can cover four or five days in London, two in Manchester, and two or three each in Edinburgh and Glasgow. The Highlands, Lake District, or Welsh national parks need dedicated nights and should not be squeezed into London day trips.

What entry documents are needed for United Kingdom?

UK document rules depend on nationality and trip purpose, and many visitors now need an Electronic Travel Authorisation before boarding. Check the linked UK government visa service for both visa and ETA status shortly before travel.

What is the best way to travel around United Kingdom?

Intercity rail is the practical spine between London, Manchester, Edinburgh, and Glasgow, with advance fares usually distinct from flexible tickets. Each city runs its own local fare system, so London's contactless cap is not a nationwide travel pass.

When is a practical time to visit United Kingdom?

May to June and September are useful planning windows for this route, but conditions vary between southern England and Scotland. Festival dates in Edinburgh and rural transport in national parks can matter more than the national seasonal label.

What money and payment basics apply in United Kingdom?

The United Kingdom uses pound sterling (GBP). Contactless payment is widespread in major cities, but keep another payment method for rural services or terminals that do not share London's payment arrangements.

What practical safety details should I save for United Kingdom?

Use 999 or 112 for emergencies in the United Kingdom. Type G sockets supply 230 V, and mains tap water is recorded as safe; save rail disruption information as well when the itinerary depends on several city-to-city journeys.