Portugal–Spain border the border exists between Sanlucar de Guadiana in Spain and Alcoutim in Portugal; it is the first and currently only zip line over an international border. Portugal–Spain border The Portugal–Spain border is the international boundary between Portugal and Spain. Referred to as "la Raya" in Spanish and "A Raia" in Portuguese (the stripe), the current demarcation is almost identical to that defined in 1297 by the Treaty of Alcañices. It is one of the oldest borders in the world. The Portugal–Spain border is 1,214 km (754 miles) long and considered the longest uninterrupted border within the European Union. The border
CTT Correios de Portugal, S.A. CTT Correios de Portugal, S.A. Postal Services of Portugal, plc () is the national postal service of Portugal. The acronym CTT comes from the former name of this department (, meaning "Post, Telegraph and Telephone"), which was also the designation of postal services for the former Portuguese Colonies and still for the Macau Postal Service nowadays. CTT has become a public limited company in 1991, and in December 2013 the shares were listed on Euronext Lisbon. In 2007, CTT started to offer a mobile phone service in Portugal, under the brand name Phone-ix. CTT were privatised in 2014, in order