| Athens B3 | |
|---|---|
| Electoral constituency for the Hellenic Parliament | |
 | |
| Regional units | South Athens |
| Administrative region | Attica |
| Population | 601,559 (2011) |
| Major settlements | Athens |
| Current constituency | |
| Created | 2018 |
| Number of members | 18 |
The B3 Athens electoral constituency (Greek: Β3΄ Εκλογική περιφέρεια Νότιου Τομέα Αθηνών) is a parliamentary constituency of Greece, created after the breakup of Athens B in 2018.1 It is the largest electoral district in the country by representation, electing 18 deputies.