low-lying

adjective3

1. •
   Lower than nearby areas.

   • Coastal defences were breached at many places from the Humber right round to the outskirts of London, and the inundation of low-lying lands caused damage on a scale unequalled within living memory. — 1953
2. •
   Located or situated below or near a sea level.

   • low-lying islands
3. •
   Of a person, lying low; concealed; hidden.