S o s !!!

Ι need help...I am not new in CF i was playing that game when i was 14 years old with an account that i dont remember and today i created a new account and when i go to start the game i type my user ID info's in the CF starting page to log in and it sais : This service is not available in your region.PLEASE HELP ME WHY I CAN NOT START PLAYING THE GAME BECAUSE OF MY REGION WHICH IS GREECE? 4 YEARS AGO I COULD PLAY IT NORMALLY...WHY I CANT NOW? THANK YOU VERY MUCH