I want to ask question about problems in my Facebook account. On which Stack Exchange site should I ask?
Questions about using Facebook are on-topic for Web Applications SE:
Web Applications Stack Exchange is for expert and advanced users of web applications.
If your question generally covers …
- Using Gmail, Facebook, Twitter, Google, or any other website which behaves like an application
Do study the site help center to see what is on and off-topic.
If you have a Facebook support issue, you'll need to contact Facebook directly. Web Applications SE can help you make sense of the features Facebook offers (e.g. how do I prevent my photos from being seen by anyone but my friends?), they cannot fix broken accounts.