Sovereignty, economy, international influence, trade. These are but a few of the myriad of the factors that will influence how people will vote in the upcoming EU referendum.
And while each person may vote differently, there is some very clear geographical patterning on how people will vote.
Researchers from the University of Bristol have found that at one extreme there are local authorities where support for leaving the EU is very low.
In fact, these local authorities are almost all in London, as well as most of Scotland.
Contrast that with England's east coast, as well as some older industrial areas - notably, Yorkshire and the West Midlands - and pockets on the south coast, where support for Brexit is far higher. Read more...
Image credit: University of Bristol/City AM