The Chilean territory is located on the south west of South America, between the meridians 17º 30' and 90º South latitude. Its continental length is approximately 4.200 and 8.000 km, considering Chilean Antarctic. Also part of our country, is Isla de Pascua or “Rapa Nui”, the archipelago of Juan Fernández and the islands San Félix, San Ambrosio, Sala and Gómez. The territorial sea is 200 miles and the continental corresponding platform. Chilean borders are to the north with Peru, to the East with Bolivia and Argentina, to the West with the Pacific Ocean and to the south with the South Pole. The continental and insular surface is 756.626 km2, our Antartic territory is 1.250.000 km2, which completes an entire surface of 2.006.626 km2. The average width of the country is closely 177 km.; the minimal continental width is 90 km, by the north of the mouth of Choapa river. The official language is Spanish, but also there are still used some native languages, as mapudungun (or mapuche), Quechuan and rapanui. Most of the tourism personnel speak English and, some, German and French. Since 1974, Chile is politically divided in regions, which subdivide in provinces. Until 2007 the quantity of regions of Chile was 13, and at present the whole is formes by 15 regions. The extreme southern region is Magallanes and the Chilean Antarctic, and the extreme north is Arica and Parinacota. OUR REGION The Region of Coquimbo is located in what is called Little North, at 29° 02' and 32° 16' South Latitude, and from 69° 49' Longitude west, up to the Pacific Ocean, limited to the North by Region III of Atacama, to the East with Argentina, on the South by Region V of Valparaiso and to the West to the Pacific Ocean. It possesses a surface of 40.579,9 m2, representing 5,4 % of Chile. Administratively it is divided in 3 provinces : Elqui, Limarí and Choapa and 15 communes. The Province of Elqui occupies a surface of 16.895,1 Km2. Its communes are: Coquimbo, La serena, La Higuera, Andacollo, Vicuña, Paihuano. The provincial capital is Coquimbo. The Province of Limarí occupies a surface of 13.553,2 Km2. Its communes are: Ovalle, Río Hurtado, Monte Patria, Combarbalá and Punitaqui. The provincial capital is Ovalle. The Province of Choapa possesses a surface of 10.131.6 km2. Its communes are: Salamanca, Los Vilos, Illapel and Canela. The provincial capital is Illapel. Coquimbo region has a Mediterranean arid climate, which clearly turns out to be influenced by his topography, latitude and orientation of the coasts and mountains, which determine the local changes. It is an extremely sensitive zone to the environmental alterations due to its conditions associated with the Pacific Ocean Anticyclone, because of the subtropical high pressures located facing the coasts of Chile between 25° and 45° latitude south, which operate as a natural barrier to the air mass coming from the west. The dryness is a characteristic of the Region, with winter rains, dry periods in the summer, and temperatures that range between 12° and 24°C. The zone is also characterized for abundant clouds and morning fog, which gradually disappear as one gets into the valley, generating atmospheric dryness and permanently clean skies, which make this zone suitable for important observatories.