This is the 17215th most frequent Polish word.
zagranicę
"Zagranicę" means "abroad" or "to a foreign country."
The phrase 'za granicę' is used here in the accusative case, denoting a directed motion towards 'abroad'.
Planuję podróż za granicę w przyszłym miesiącu.
I am planning a trip abroad next month.
The word 'za granicą' is in the locative case, indicating a location 'abroad'.
Czy byłeś kiedykolwiek za granicą?
Have you ever been abroad?
Here 'za granicą' again appears in the locative case, showing a status or ongoing action happening 'abroad'.