outlying

adjective

1. lying at a distance from the center or the main body; remote; out-of-the-way: outlying military posts.
2. lying outside the boundary or limit.

adjective

1. distant or remote from the main body or centre, as of a town or region

adj.“outside certain limits,” 1660s, from out + present participle of lie (v.2). Meaning “remote from the center” is first recorded 1680s.