Collocations for county - noun

border, coastal, rural
the Welsh border counties

eastern, western, etc. | historic/historical
the historic county of Westmorland (= that no longer exists)

home
London and the home counties (= the counties around London)

native
He was elected MP for his native county of Merioneth.

neighbouring | dry
(= where it is illegal to sell alcohol)

represent
She represents the county in Parliament.

boundary
The river forms the county boundary.

town
Trowbridge is the county town of Wiltshire (= the town where the local government offices are).

council, councillor | court | library | cricket | championship, match
(= in cricket)

in a/the ~
people who live in this county