The Extremaduran Regional Action (Spanish: Acción Regional Extremeña; AREX) was a Spanish political party founded on 7 November 1976 as the first regionalist party in Extremadura.
[1][2] Enrique Sánchez de León was the party's secretary-general from 26 March 1977.
[3] AREX joined the Union of the Democratic Centre (UCD) electoral alliance ahead of the 1977 Spanish general election,[4][5] gaining 4 seats in the Congress of Deputies.
[6] The party would be eventually merged into the UCD upon the party's constitution as a unitary party.
[7]