Herpes Bump Is It Possible To Only Have One Herpes Bump And Is Herpes On Top Of The Skin Or Inside?

Is it possible to only have one herpes bump and is herpes on top of the skin or inside? - herpes bump

I woke up and realized that one day I had a small bump on the outer edge of the vagina .. this shock is not painful, and it is in the skin of a button. that herpes? I had one weeks and is now a bit smaller. No trace of unevenness just another .. What is it?