environs

(noun) the area in which something exists or lives. Synonyms: environment, surroundings, surround. Example: "The country--the flat agricultural surround."

(noun) an outer adjacent area of any place. Synonyms: purlieu.

(verb) extend on all sides of simultaneously; encircle. Synonyms: surround, environ, ring, skirt, border. Example: "The forest surrounds my property."