PART A
PROVISIONS OF SUBSTANTIVE CRIMINAL LAW
1. GENERAL PART
Art.2
Territorial Application (Jurisdiction ratione loci)
The provisions of this Law shall be applicable to both nationals and non-nationals for all acts enumerated in art. 7-15, provided that they have been committed:
b) abroad , by Greek nationals or by aliens who became Greek nationals after the commission of the act,
Nationality jurisdiction - national proceedings
EDIT.