Indicating place, or the place where, or wherein.
The locative case.
Of, or pertaining to, a specific region or district.
Of, or pertaining to, one part of the body.
Of a state or other geographic area, those parts which are not metropolitan, but are somewhat densely populated and usually contain a number of significant towns.
Of, or pertaining to, a large geographic region.
An entity or event with scope limited to a single region.