I think it asked for some sort of confirmation when I tried to do that. I am most definitely not dressing up and heading to the bank again. Not in THAT cold.
"By entering a new address, you will also change the PayPal billing address for the cards below. Before you make a change on this page, please update your new address with the card companies."
There it is. I'm not taking any risks.
The actual street. You know, the stuff that you're supposed to enter in the first address line. Instead of "33 Blabla Street" it's "Strada Blabla, nr. 33", which is continued with the stuff that you're supposed to enter on the second line (bl., sc., etc).
Oh and I outright forgot about the 'sc.' bit. It's completely missing.