You can contact the IERSD by mail, telephone, fax or e-mail:

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 IERSD - THISSIO,
P.O Box 20048,
GR 118 10, Thissio,
Athens,
Greece.

Tel: +30 210 - 3490 116
Fax: +30 210 - 3490 113

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 IERSD - PENTELI,
I. Metaxa & Vas. Pavlou, Lofos Koufou,
GR 152 36, P. Penteli,
Athens,
Greece.

Tel: +30 210 - 810 9122
Fax: +30 210 - 810 3236

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E-mail: Ms. Papadaki Lia