Afidnes (Greek: Αφίδνες, Ancient Greek: Ἄφιδνα or Ἀφίδναι, from the Middle Ages until 1919: Κιούρκα - Kiourka) is a small town in East Attica, Greece. Since the 2011 local government reform it is part of the municipality Oropos, of which it is a municipal unit. It is situated in the eastern foothills of the Parnitha mountains, 3 km southwest of Polydendri, 5 km southeast of Malakasa and 27 km north of Athens city centre. Afidnes has a station on the railway from Athens to Thessaloniki. The Motorway 1 (Athens - Lamia - Thessaloniki) passes east of the town.