specific area; designated region
Refers to a particular, specified, or designated geographical area, often used in legal, administrative, or planning contexts.
This law applies only to specific areas.
Entry into the designated area is restricted.
特定 means 'specific' or 'particular' as an adjective or verb, while 特定地域 is a compound noun meaning 'specific area'.
地域 is a general term for 'area' or 'region', whereas 特定地域 specifies a particular or designated area.
Compound of 特定 (specific) + 地域 (area, region).