hinterland

noun7

1. •
   The land immediately next to, and inland from, a coast.

   • In West Wales it has never been possible until recently to exploit the magnificent natural harbour of Milford Haven, for there was no industrial hinterland. — 1961
2. •
   An area of land far from the sea.
3. •
   The rural territory surrounding an urban area, especially a port.
4. •
   (UK) An individual's depth and breadth of knowledge, especially a politician's in areas outside politics, such as of academic, artistic, cultural, literary and scientific pursuits.
5. •
   A remote or undeveloped area.
6. •
   (figurative) That which is unknown or unexplored about someone.
7. •
   (figurative) Anything vague or ill-defined, especially something that is ill understood.