region
The term “region”, used without further description, means a region identified under section 3121(a) of this title , subject to section 3122(c)(4)(B)(i) of this title and except as provided in section 3121(b)(1)(B)(ii) of this title .
Source
29 USC § 3102(53)
Scoping language
None identified, default scope is assumed to be the parent (chapter 32) of this section.