Pro Patria and Res Publica Union (Estonian: Isamaa ja Res Publica Liit, IRL) is a conservative political party in Estonia. It was founded on 4 June 2006 when two conservative parties, Pro Patria Union and Res Publica Party merged. Up to the 2007 parliamentary elections, the party held 32 seats out of 101 in the Riigikogu (the Estonian parliament) and one of Estonia's six seats in the European Parliament. The party is a member of the European People's Party (EPP). It has about 8,500 members.