Outlaying area; area in proximity to something(noun)
Which surrounds something(adjective)
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Use "surrounding" in a sentence
"Weber spends a lot of time in On Basilisk Station describing his world-building, from the political set-up of the various "star nations" his term surrounding the planets in question to the intricate political maneuvering of the nation whose territory Basilisk Station is."
"Continuing the Orwellian theme, does the lingo surrounding the state curriculum have to be so impenetrable?"
"Pointing downward and kind of surrounding from the North the Arabian peninsula, Israel and Jordan."