Spain which is officially called as the Kingdom of Spain (Spanish: Reino de Espana), is a member state of the European Union located in southwestern Europe on the Iberian Peninsula. Spain is the second largest country in Western Europe and the European Union after France. is a developed country with the ninth or tenth largest economy in the world by nominal GDP. Due to Spain’s geographical situation and orographic conditions, the climate is extremely diverse; discounting the mountain climate. Spain aims to put 1 million electric cars on the road by 2014 as part of the government’s plan to save energy and boost energy efficiency. Spain is known for its culturally diverse heritage, having been influenced by many nations and peoples throughout its history. Spain’s population density, at 91/km² (235/sq mi), is lower than that of most Western European countries and its distribution across the country is very unequal. Distinct cultural groups within Spain include the Basques, Catalans, Galicians and Castilians, between others. With the exception of the region surrounding the capital, Madrid, the most populated areas lie around the coast. Spanish architecture refers to architecture carried out during any era in what is now modern-day Spain, and by Spanish architects worldwide.