Biscay (Congress of Deputies constituency)

Biscay
Congress of Deputies
Electoral constituency
Location of Biscay within Spain
ProvinceBiscay
Autonomous communityBasque Country
Population1,160,133 (2024)
Electorate942,983 (2023)
Major settlementsBilbao, Barakaldo, Getxo
Current constituency
Created1977
Seats10 (1977–1993)
9 (1993–2008)
8 (2008–present)
Member(s)
  •   PNV (2)
  •   PSOE (2)
  •   EH Bildu (2)
  •   PP (1)
  •   Sumar (1)

Biscay (Basque: Bizkaia, Spanish: Vizcaya) is one of the 52 constituencies (Spanish: circunscripciones) represented in the Congress of Deputies, the lower chamber of the Spanish parliament, the Cortes Generales. The constituency currently elects eight deputies. Its boundaries correspond to those of the Spanish province of Biscay. The electoral system uses the D'Hondt method and closed-list proportional representation, with a minimum threshold of three percent.