Leyham is a fictitious place, which does not exist, used in some of our SEO tutorials. It is an imaginary market town in the North of England, which has a few pubs, and Bed & Breakfasts, a Town Council, and any similarity with real places is purely coincidental.
The aim of creating an imaginary place is to use in examples. A bit like using “blue widgets” as an imaginary product, it prevents confusing theory with practice.
When we discuss blue widgets or Leyham, we are talking about theory, not work we have actually done.