La Gomera is one of the seven constituencies represented in the Parliament of the Canary Islands, the regional legislature of the Autonomous Community of the Canary Islands. The constituency currently elects 4 deputies. Its boundaries correspond to those of the island of La Gomera. The electoral system uses the D'Hondt method and a closed-list proportional representation, with a minimum threshold of fifteen percent in the constituency or four percent regionally.
Asturias—Oviedo until 1986—is one of the 59 constituencies represented in the Senate, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Asturias. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Albacete is one of the 59 constituencies represented in the Senate, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Albacete. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
A Coruña is one of the 59 constituencies represented in the Senate, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of A Coruña. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Biscay is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Biscay. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Ciudad Real is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Ciudad Real. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Cuenca is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Cuenca. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Guadalajara is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Guadalajara. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Gipuzkoa is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Gipuzkoa. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
La Rioja is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of La Rioja. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Navarre is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Navarre. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Toledo is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects four senators. Its boundaries correspond to those of the Spanish province of Toledo. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to three candidates.
Mallorca is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects three senators. Its boundaries correspond to those of the island of Mallorca. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to two candidates.
Menorca is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects one senator. Its boundaries correspond to those of the island of Menorca. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties.
El Hierro is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects one senator. Its boundaries correspond to those of the island of El Hierro. The electoral system employs open list partial block voting, allowing electors to vote for individual candidates rather than parties.
Fuerteventura is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects one senator. Its boundaries correspond to those of the island of Fuerteventura. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties.
Gran Canaria is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects three senators. Its boundaries correspond to those of the island of Gran Canaria. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to two candidates.
Tenerife is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects three senators. Its boundaries correspond to those of the island of Tenerife. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties. Electors can vote for up to two candidates.
La Palma is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects one senator. Its boundaries correspond to those of the island of La Palma. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties.
Lanzarote is one of the 59 constituencies represented in the Senate of Spain, the upper chamber of the Spanish parliament, the Cortes Generales. The constituency elects one senator. Its boundaries correspond to those of the island of Lanzarote. The electoral system uses an open list partial block voting, with electors voting for individual candidates instead of parties.
22,361 (2023) [1] 
