Where do I go?

Hello guys!! I have this hole in my wall that I want to get fixed obviously, and I have NO repair knowledge whatsoever. So I wanted to look into finding someone to repair it, but I have no idea where to start. I don't even know if my wall is drywall or not. Can you guys help?

Hello guys!! I have this hole in my wall that I want to get fixed obviously, and I have NO repair knowledge whatsoever. So I wanted to look into finding someone to repair it, but I have no idea where to start. I don't even know if my wall is drywall or not. Can you guys help?