Share your insights or perspective on the financial matter presented in the input.

Am I responsible for an annual fee on a credit card I never picked up?
Have you signed anything? If not - then tell them  you don't know who they are and have not agreed to pay. If you did sign that piece of paper at the airport, then you have probably agreed to pay. Either way, it won't go away. As you've already discovered, ignoring things doesn't make them go away. You should make an effort, as hard as it may be, and call them. Notify them that you have never asked for this card, never activated it, and in fact never had it in your possession. You should stress out that it was issued without your authorization, which is probably illegal. And you wish the account to be closed and the charge reversed. Otherwise it will just grow and make your life miserable.