region · noun C /ˈriː.dʒən/
region
B1 a particular area in a country or the world
Dictionary examples:
the semi-desert regions of Australia
the South-west region
Learner example:
The Northeast region is famous for its white sandy beaches which are frin[g]ed with coconut trees. (Preliminary English Test; B1; Portuguese)
in the region of sth
C1 approximately
Dictionary example:
It probably cost somewhere in the region of £900.
Learner example:
I am willing [to] pay rent in the region of £1000 to £1200 monthly. (International English Language Testing System; C1; Urdu)