Bars those who are familiar with the area (6)

I believe the answer is:

locals

I'm a little stuck... Click here to teach me more about this clue!

'bars' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Perhaps there's an association between them I don't understand?

I can't explain the rest of the clue.

Can you help me to learn more?

(Another definition for locals that I've seen is " Neighbourhood pubs - or people".)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.