The Basque Nationalist Party is a Basque nationalist party; as of 2007 is the largest political party in the Basque Autonomous Community. It led Basque regional government under the Spanish Second Republic and has done so again during the democratic decades following the rule of Francisco Franco.
In Basque it is called Eusko Alderdi Jeltzalea (EAJ) and in Spanish it is called the Partido Nacionalista Vasco (PNV). In Spain it is commonly referred to as EAJ-PNV. The French branch is the Parti Nationaliste Basque (PNB).The chairman of the EBB of EAJ-PNV is Iñigo Urkullu.
The youth wing of the Basque Nationalist Party is Euzko Gaztedi-EGI.
The party also has offices among the Basque diaspora, mainly Venezuela, Argentina, Mexico, Uruguay, Chile and the United States.
Initially, the Defence Committees in Biscay and Guipuzcoa were dominated by the Popular Front. Although with enough difficulties, Basque autonomy was granted within the Second Spanish Republic and the new Basque Government immediately organized the Basque Army, consisting of militias recruited by each of the political organizations, including PNV.