A.C. Doukas School (Greek: Αθλητικός Σύλλογος Εκπαιδευτηρίων Δούκα/Α.Σ.Ε.Δ.) is a Greek multisport club based in Marousi, Athens.
Athens (Αθήνα, Athína; Ἀθῆναι, Athênai) is the capital and largest city of Greece.
The EHF Challenge Cup is an official European Handball Federation competition for men's clubs of Europe and takes place every year.
The Greek Handball Championship (A1 Ethniki/Handball Premier) is the most important competition of Greek handball.
Nea Ionia (Νέα Ιωνία, meaning New Ionia) is a northern suburb of Athens, Greece, and a municipality of the Attica region.
The 2016–17 EHF Challenge Cup was the 20th edition of the European Handball Federation's third-tier competition for men's handball clubs, which was won by Sporting CP running from 19 November 2016 to 27 May 2017.