Xanikk, have you considered trying the internet? At your age and location, I bet you could find some girls who you could atleast hook up with to meet. Just make sure of two absolute things before you arrange anything:
1. They are over 18. Stress this. Ask them, and ask them again to be sure. Make sure you let them know explicitly that you are only interested if they are over 18. This is very, very important.
2. Make sure they know you are interested in a romantic liason, not necessarily long-term, though you aren't ruling anything out. But you must make sure that this point gets across, understood and comfirmed before you go meet anybody. Don't beat around the bush here. If she thinks you are too forward and snubs you because of that, move on (I'm assuming your main goal here is quick sex with somebody relatively attractive that's not a prostitute). This clears up a lot of fumbling around when you do physically meet her.
You will probably find that you are lot smoother over the internet with chat and email. That's fine, break down enough barriers here and that confidence will carry over into the physical meeting to some extent. Make sure you give her a pic of yourself, of the top-half of you body if you can. If she isn't interested because of looks, it's best to find out asap so you don't go wasting any time. If she refuses to send pics, drop her. She could be a dude, a child playing some weird game, or just plain ugly, no matter how much they try to sincerely insist otherwise. IMO, if they don't have the self-confidence and honesty to get you a good pic of themselves (watch out for the typical excuses here: it's not their computer, no camera, they don't know how, blah, blah, blah), you probably aren't interested anyway.
If you find a girl who seems interested in sex pretty quickly, within minuters of actually meeting her, go for it! Don't question, just do. There are some freaks out there who love this sort of thing for a variety of good reasons. Use protection. Good luck.