- Junín is a city located in the Buenos Aires Province of Argentina. It is the capital of the Junín Partido and has a population of approximately 85,000 people. Junín is known for its agricultural and industrial activities, with a strong emphasis on grain production and livestock farming. The city has a rich history and is home to various cultural and historical attractions, including the Junín Theater and the Junín Museum. Additionally, Junín hosts the annual National Festival of Fortinera Deroense, a traditional event celebrating the local culture and folklore.