The Chunta Aragonesista (CHA; English: Aragonese Union)[7] is a political party in Aragon (Spain), influenced by eco-socialism and pacifism.

[8] In the 2000 and 2004 general elections, CHA won 0.4% of the vote and one seat for José Antonio Labordeta, a folk singer in the Zaragoza constituency.

In the 2011 election, it regained the seat as part of an electoral alliance with United Left.

It establishes political policies, programs and principles, and chooses the members of the Mayan of Lawsuits, to those of the National Committee and to the president of CHA.

[citation needed] CHA contested the 2023 Spanish general election as a member of the Sumar coalition.