It's the sizzle that makes the difference
Use your mouse to move the map around, click on it and drag.
Each of the yellow markers on the map represents a region of the United Kingdom.
To view the pubs available in each region of the UK, click on a yellow regional marker. The link in the appearing map bubble will allow you to zoom in on the map to see the individual pub location markers.
Use the + and - buttons on the map or your mouse-wheel to zoom the map in and out for more details.