Provinces of Argentina Aires Province accepted the 1853 Constitution of Argentina in 1861, and its capital city was made a federal territory in 1880. A law from 1862 designated as national territories those under federal control but outside the frontiers of the provinces. In 1884 they served as bases for the establishment of the governorates of Misiones, Formosa, Chaco, La Pampa, Neuquén, Río Negro, Chubut, Santa Cruz and Tierra del Fuego. The agreement about a frontier dispute with Chile in 1900 created the National Territory of Los Andes; its lands were incorporated into Jujuy, Salta and Catamarca in 1943. La Pampa and Chaco
Provinces of Peru country. The province with the fewest districts is Purús Province, with just one district. The province with the most districts is Lima Province, with 43 districts. The most common number of districts per province is eight, a total of 29 provinces share this number of districts. The table below shows all provinces with their capitals and the region in which they are located. The UBIGEO code uniquely identifies each province. Capitals in bold are also a regional capital. Provinces in which the region's capital is located all have an UBIGEO code ending in codice_1. Provinces of Peru The provinces of