What is it and where is the G-spot located?  There is no evidence that it exists, but I still wonder what you think about it. 

There are many questions around the topic. Human anatomy is complex, and it is unlikely that you can find the same spot in the same place on different bodies. Nevertheless, there is a lot of useful information on https://blog.uberhorny.com/everything-you-need-to-know-about-the-g-spot/ about where the G-spot is and how to find the G-spot in a woman's body that you can read . But more often than not, researchers agree that the G-spot is not a point, but a zone. So it's worth keeping that in mind when looking for it. 

It can be the glands surrounding the urethra, which, when stimulated, brings women to orgasm.

Try asking a woman. I mean, I’m no expert in sexual communication with women, but for some reason I think that a specific girl you’re interested in will give you a much clearer and more accurate answer than random people on a forum. I feel like even some vr pоrn games like Braindance https://braindancevr.com/ would be more helpful in this situation than yet another forum. Maybe the girl won’t tell you exactly where that spot is, but she’ll tell you what and how she likes things.