"There are thousands of Western Union locations in the UK, as well as all over the world. If you are wanting to find a location close to you, you can visit Western Union's website."
Ther are very many locations of any Western Union stores you may need to send or receive money at. In a telephone book you can find any location that may be within walking distance of your home. Or...
The main office for Western Union is at 3154 22nd St. Their services are also offered at places like San Francisco Check Cashing Co on Divisadero, Bayview Check Cashing Co on 3rd St, and Mailbox 4U...
If you have access to the Internet you can go to their web page, otherwise call information, think it is 411, and ask for the nearest location in your city.