Formosa Province "Laguna Yema", "Herradura" town, and "Misión Laishí". The province is divided into nine departments: Department (Capital) Formosa Province Formosa Province () is a province in northeastern Argentina, part of the Gran Chaco Region. Its northeast end touches Asunción, Paraguay, and borders the provinces of Chaco and Salta to its south and west, respectively. The capital is Formosa. The name of the city (and the province) comes from the archaic Spanish word "fermosa" (currently "hermosa") meaning "beautiful". The name "Vuelta Fermosa" or "Vuelta la Formosa" was used by Spanish sailors in the 16th century to describe the area where the Paraguay
Climatic regions of Argentina temperate and arid with large thermal amplitudes, long summers, and a long frost free period which varies by altitude. In both the Quebrada de Humahuaca and Calchaquí valleys, winters are cold with frosts that can occur between March and September. In the valleys in the south in La Rioja and Catamarca Provinces, along with the southwest parts of Santiago del Estero Province, temperatures during the summer are very high averaging in January, while winters are mild averaging . Temperatures can exceed during the summer, particularly in the central valley of Catamarca (Valle Central de Catamarca) and the valley of La