Facebook has nothing to do with Gmail. Your Gmail is simply your email portal. Anyone can send email to you, including hackers and spammers.
Those emails you are receiving sound like malicious spam. They are not from Facebook. The sender is just imitating Facebook.
The major clue is that the suggestions are all from foreign countries. It’s also obvious that it’s not from Facebook because you say you never used your Gmail account on it.
I would ignore those emails and never click on any links in them, or in any emails for that matter. Doing so may cause malware to be installed on your computer. That’s one reason why spammers send emails like that.
Always assume a malicious attempt when you get emails that don’t relate to your situation. Just ignore them and delete them. Here is a useful article on the subject: