1) Border 2) Edge 3) Environs 1) City fringes 2) Outlying areas 3) Periphery 4) Section 5) Surrounding areas 6) Togs for leaving town 
[Noun] The outer areas of a town or city.
[n] - outlying areas (as of a city or town)
noun outlying areas (as of a city or town); `they lived on the outskirts of Houston`; `they mingled in the outskirts of the crowd`
[SAT terms] outlying areas, as of a city or town area relatively far from the center, as of a city or town outlying areas, as of a city or town[Intelligent words] outlying areas, as of a city or town