Oxford
There are actually multiple locations for American Express in the United Kingdom. The most noteworthy is in Brighton, England. There are also locations in central London and the city of Sussex.
London is the most populated city in the UK, with a population of around 9 million people.
The most Southern (and South-western) TOWN in the UK would have to be Penzance at 50.07N. However, just to be pedantic, the most Southern (and South-western) CITY in the UK is Truro at 50.16N.
London
The smallest city by population is actually... London ! The majority of 'visitors' to London on a daily basis are either tourists or employees. London only has a residential population of around 7,500 !
london london
Watford
The American short hair cat breed is the 8th most popular cat breed in the UK.
The NHS in the UK. I don't know if they have health visitors in other countries or who employs them if they do.
Blackpool has 10 million visitors a year making it far and away the most popular seaside resort in the UK.
The Northern most city in the world is Longyearbyen in Svalbard, Norway. It's a beautiful city.
The most populated cities are London, Manchester and Birmingham