usually emigrated form villages or smaller towns all over Poland to Warsaw.
There's the
Warszawiaki phenomenon of course, a bit like the people you've described. Like the
sloiki (who go home every weekend and return with food), but wanting to be seen in the 'best' (i.e. most fashionable) places, go to the 'best' parties. Very few of them are more than about 10 years away from a village somewhere and longer-term Warszawiacy consider
Warszawianki to be a bit of a cliche. After a while, you get to know where the
Warszawiacy go and where the
Warszawianki go and decide accordingly.