Although Aithne is usually used to knowing people my teacher mentioned in one dialect it is used for knowing places too ie tá aithne agam ar Corcaigh. Which dialect is it?

Go raibh maith agat

Cuir ceist ar do mhúinteoir cén chanúint atá i gceist aige/aici.

I have come across that once before too. I thought it was Ulster Irish, but then again anything that seems a little odd or off the beaten track I think must be Ulster Irish!
If it were Ulster Irish, I would have thought that one of the Ulster folk would have claimed it by now.

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I can't say what dialect, but FGB says regarding aithin: to recognize a person. place or object. It seems to me that this may be in all dialects.

Aithním lorg a láimhe - I know his handwriting.

Aithne a chur ar an ól

Both the above seem like perfectly normal usage to me.

Here's an interesting phrase I just found on focloir.ie that fits in nicely here:

'I know the place like the back of my hand' = tá na seacht n-aithne agam ar an áit

http://www.focloir.ie/en/dictionary/ei/ ... #back__109

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cool saying

I'll have to ask my teacher at the next class which dialect

Gan aithne (unconscious, knocked-out) is another way the word is used. So it's much wider than just knowing/being acquainted with a person.

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Táim ag foghlaim fós. Fáilte roimh gach aon cheartúchán.

Nach bhfuil 'gan aithne' go hiontach! Níor chuala mé é riamh. Tá mo chúrsa déanta agam an8 ach Rinne mé dearmad an cheist a chuir ar mo mhúinteoir, brón orm. I seem to think he said it was in Ulster it could be used as knowing a place