Catamarca Province Plata was created in 1776, Catamarca obtained the title of "Subintendencia" under the Salta intendency. In 1821, the province claimed its autonomy, and Nicolás Avellaneda y Tula (grandfather of Nicolás Avellaneda) was elected as the first governor of the province. The name is believed to come either from Quechua "cata" 'slope' and "marca" 'fortress', or from Aymara "catán" 'small' and "marca" 'town'. Catamarca remained isolated from the rest of Argentina by its mountains until 1888, when the rapidly expanding railways first appeared in the province. Attracting immigrants with its spacious, fertile valleys and dry, agreeable weather, Catamarca was soon favored
Formosa Province up to 45 °C The tropical weather is characterized with uniform annual rains in the east (1000 mm annual), while in the rest of the country winter is a drier season (80 mm). The humidity variation results in the jungle vegetation on one side, and the Chaqueño forest in the other. The limit with the Salta Province is known as the "Impenetrable" ("Impenetrable"). Formosa's protected areas are the Río Pilcomayo National Park and the Formosa National Reserve. Coincidentally, part of the province is the antipode to northern Taiwan, which was also known as "Formosa". (Taiwan was named "Formosa" by European