My facebook account has been hacked. I am able to open my page , however is full of gibrish. Not any language I recognize. Doubt it's a language. Anyway I tried recover through facebook, got only so far when gibrish appeared once again. And no I cannot get to language settings, more gibrish.
If you are able to log in to your account, go to this website:
https://en-gb.facebook.com/hacked and click on 'My account is compromised'. Then Facebook will go through the stages to ensure it is you and they will secure your account for you :)