hunting ground 
noun
1A place used or suitable for hunting: a good hunting ground for birds of prey...
- Because of the loss of their former hunting grounds, birds of prey are now forced to raid back gardens where their quarry, pre-occupied with feeding, fall easy victims.
- Both sportsmen and hide hunters could easily reach the hunting grounds and once there, range freely without worry.
- Well into the second half of the century optimistic sportsmen cherished the goal of discovering virgin hunting grounds, filled with animals that had not yet learned to fear men with firearms.
1.1A place likely to be a fruitful source of something desired or sought: the circuit is a favourite hunting ground for talent scouts...
- It's not only the zero-tax policy of Dubai that makes it a favourite hunting ground for shoppers, but also an impressive line up of world's most popular brands that are available there.
- The road in front of the Secretariat is the favourite hunting ground for hawkers of all kinds.
- Europe, he said, was a more likely hunting ground than Asia, where hotel assets remain highly priced despite the industry downturn.