Documents: valid passport, international driving licence, green card (car-insurance). While entering Albania by motor vehicle, you are recommended to require for „Vehicle Entrance Confirmation“ from Albania police. You can take USD 10000,- as maximum to Albania.
Obliged change of money is not necessary. Nevertheless, just standard is change of money „on the street“. Anyway, attention for false banconotes!!!
Information and warnings on travelling abroad is to be found HERE.