Regional

a.

1.

Of or pertaining to a particular region; sectional.

Adj.	1.	regional - characteristic of a region; "regional flora"
	2.	regional - related or limited to a particular region; "a regional dialect"

areal, cartographic, chorographic, dialect, dialectal, geodetic, geographic, geographical, idiomatic, local, locational, navigational, positional, provincial, sectional, situal, situational, territorial, topographic, zonal