It's the Brian Larachow on WNYC, good morning again everyone.

How do you define your neighborhood?

Do you use landmarks to create strongly defined borders?

Is a neighborhood defined by the community that currently lives there once did?

Do you think neighborhood boundaries are a construction resulting from the real estate

and development industries, or perhaps you just base it off of vibes?

Well, here in New York City it seems like neighborhoods are constantly in flux, and

the boundaries between neighborhoods are sometimes up for debate.

There's the well-established ones where you know that if you're on, you know, 90th

street, west of Central Park, you're definitely on the upper west side.

But what about Carnegie Hill?

Have you ever heard of Carnegie Hill?

Unless you live in a certain part of the upper east side, you probably haven't.

If you're apartment hunting on street, easy or a similar site, Carnegie Hill is definitely

neighborhood, a neighborhood that exists.

But when have you ever heard in New Yorker say, hey, I'm from Carnegie Hill.

How many times have you questioned what neighborhood you actually live in?

Well, today we're hoping we can assuage some of your confusion and also understand how

neighborhoods come to be.

Have you seen that amazing thing in the New York Times that came out the other day called

an extremely detailed map of New York City neighborhoods, and along with it an extremely

detailed guide to this extremely detailed map?

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