The republic of Portugal is located in the southwestern part of Europe, located in the western part of the Iberian Peninsula, bordered by Spain to the north and east and by the Atlantic Ocean to the south and west. The Azores and Madeira islands in the Atlantic are independent regions of Portugal, considered an integral part of the republic. Portugal administers an overseas territory, Macao (Macao) in East Asia near Hong Kong. Macau is expected to return to Chinese administration in 1999. The total area of ​​metropolitan Portugal, including the Azores (2247 sq km/868 sq miles) and the Madeira Islands (794 sq km/307 sq miles), is 92,345 sq km. (35,655 square miles). The capital and largest city is Lisbon. The climate varies in Portugal depending on the altitude you are at. Low temperatures only occur in the relatively low-lying regions of the south. The average annual temperature north of the Douro River is around 10 C (around 50 F). Between Tajo and Douro the temperature is around 16 C (around 60 F). Temperatures in the Guadiana Valley are around 18 C (around 65 F). Precipitation is very abundant, especially in the north. Minerals are Portugal's most precious natural resources. Most of these resources were developed until after the Second World War (1939-1945). Some of the mineral resources are coal, copper, gold, iron ore, kaolin, tin, and wolframite, which is the source of Acosta 2 tungsten. The most sufficient trees are evergreen oak, cork, poplar, and olive. Portugal is also home to many types of wildlife. some of these wild animals include the wolf, lynx, wild cat, fox, wild boar, wild goat, deer and hare. Portugal also has large water resources in its rivers and mountain streams. The Portuguese are a combination of several ethnic elements, mainly Iberians, Romans, Visigoths and later Moors. Most people still live in rural villages. The population of Portugal, including the Azores and Madeira Islands, is 9,931,045. The overall population density is 108 inhabitants per square kilometre. (280 per square mile). Mainland Portugal is divided into 18 districts by administrative causes: Aveiro, Beja, Braga, Bragnca, Castelo Branco, Coimbra, Évora, Faro, Guarda, Leiria, Lisbon, Porto, Portalegre, Santarém, Setúbal, Viana do Castelo, Villa Real and Viseu. The Azores and the Madeira Islands each constitute an autonomous region. Roman Catholicism is the faith of more than 94% of Portuguese people. The Constitution guarantees freedom of religion and some Protestant churches have been established. The official language of the country is Portuguese. Portuguese culture is closely related to Spanish culture and has been influenced by the three primary cultures from which