52 Dimitriou Vikela Ave.
152 33 - Halandri Athens,
Greece
Tel. +302106878888
Fax. +302106878940
E-mail: info@hoc.gr
Communication & Public Relations Office: press@hoc.gr
Administrative Services: info@hoc.gr
Human Resources Management: prosopikou@hoc.gr
Ethics Commission : efipid@hoc.gr
Financial Services: logistirio@hoc.gr
Material Management & Procurement: promithies@hoc.gr
Technical Service: viliakis@hoc.gr
ΗΟC facilities: ktsourakis@hoc.gr