southwestern

adjective1

1. •
   Of or pertaining to the southwest.

   • Locals think southwestern sunsets are the most beautiful.

adjective2

1. •
   Of or relating to any of various particular regions named for the cardinal direction in which they lie.
2. •
   (US) Of or relating to the southwestern region of the contiguous United States.

   • This recipe has a Southwestern flavor that reminds me of my trip to Santa Fe.