The B2 Athens electoral constituency (Greek: Β2' Εκλογική Περιφέρεια Δυτικου Τομέα Αθηνών) is a parliamentary constituency of Greece, created after the breakup of Athens B in 2018. The first MPs of the newly formed constituency were elected in the June 2019 parliamentary elections.
The constituency includes most of the western suburbs of the Atttika's basin urban area, namely: