The Union party is a Lebanese political party based in Bekaa but with presence in most of the Lebanese areas and led by former minister Abdelrahim Mourad. The party's ideology is Nasserism

Nasserism

Nasserism is an Arab nationalist political ideology based on the thinking of the former Egyptian President Gamal Abdel Nasser. It was a major influence on pan-Arab politics in the 1950s and 1960s, and continues to have significant resonance throughout the Arab World to this day. It also...

, it is officially secular.
The party is strongly allied with Syria and the 8 March movement with big support from Iran, Syria and Qatar.

http://www.itti7ad.org