not if your not greek and your spending lots of money.
And they are so famous I have never heard of them.
Its a hellva gamble flight training cheaper can end up extremely expensive.
Your better getting training where your wanting to work. So if you not going to work in Greece there isn't much point training or holding a license from Greece.
The greek legal system is quite bizarre and if their is a dispute you have lost your cash and the schools know it.