Ibiza (Parliament of the Balearic Islands constituency) Ibiza (Parliament of the Balearic Islands constituency) Ibiza () is one of the four constituencies () represented in the Parliament of the Balearic Islands, the regional legislature of the Autonomous Community of the Balearic Islands. The constituency currently elects 12 deputies. Its boundaries correspond to those of the island of Ibiza. The electoral system uses the D'Hondt method and a closed-list proportional representation, with a minimum threshold of 5 percent. Until the 2003 election, the results in this district were also used to determine the composition of the Ibiza and Formentera Island Council during the same term as the Parliament,
Socialist Party of Majorca representation in the Cortes Generales was obtained. In 2007, this coalition was enlarged, forming the new coalition Bloc for Majorca (Bloc). The coalition got 4 MPs (14%) in the Balearic Parliament (2 of them from the PSM). After negotiations, PSM and the other Bloc's parties decided to enter the autonomous government, with Socialist Party of the Balearic Islands (PSIB) and Majorcan Union (UM), leaving the People's Party (PP) in the opposition. In 2008, the party decided to change its allies for the general election to UM, ERC and ExM. The coalition refused to join with EUIB. However, 29% of the