One is listed as Gauteng which is SA. Ive had you appear on people you may know. Think youve had one of those corrupt facebook viruses/malware that do the rounds. Things like click to see whos been viewing your profile ad you get taken to spam. I would contact Facebook Help/services about it but...
A few possible ways
Google up FB Purity, its an app that will filter out the ads and crap on facebook, firefox do one. It even notifies you when someone unfriends you and tells you who.
Start a comment "click Like if you really love cats" then unfollow all those that click like, or unfriend...