Depends on who I'm talking to and when.
When I was growing up, it was "upstate" to someone from the City and "Poughkeepsie" to someone from almost anywhere else.
When we lived in Chicago, it was "Rogers Park" to a Chicagoan and "Chicago" to anyone else.
When we lived in Virginia, it was "Tidewater" to someone from Richmond, "the Peninsula" to someone from Norfolk or Virginia Beach, and "Williamsburg" to anyone else - although it took some convincing for some people to believe that there actually were houses and apartments in Williamsburg, besides the restored colonial ones.
When we're talking about our North Carolina home, it's "Cypress Creek" or "Bunn" to anyone in Franklin County, "Franklin County" to folks from Raleigh, and "between Raleigh and Rocky Mount" to anyone else.
When we're talking about our New Jersey house, it's "exit 105" to a New Jerseyan, the "Jersey Coast" to someone from the City, and "Joisey" to most everyone else. And, of course, when talking to a Southerner, we simply refer to it as "the armpit of America" - no further explanation is needed, they know exactly where we're talking about.
Until next time...
Anon_e_mouse