Middlesbrough
From ARRSEpedia
Home to a Company of The_Tyne_Tees_Regiment
Apart from that, allegedly the "Worst Place In The UK To Live" according to a recent poll.
The locals, nicknamed Smog Monsters due to the effluvia from the chemical works, took exception to this. They believe there are even worse shitholes somewhere in the UK, but I don't think I've ever been to one.
This wiki page will tell you more.
