WordNet (r) 3.0 (2006):

surroundings
    n 1: the environmental condition [syn: milieu, surroundings]
    2: the area in which something exists or lives; "the country--
       the flat agricultural surround" [syn: environment,
       environs, surroundings, surround]

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "surroundings":
   alentours, ambience, ambit, borderlands, circle, circuit,
   circumambiencies, circumjacencies, circumstances, compass, context,
   entourage, environing circumstances, environment, environs,
   gestalt, habitat, milieu, neighborhood, outposts, outskirts,
   perimeter, periphery, precincts, purlieus, situation, suburbs,
   total environment, vicinage, vicinity