Geography of Portugal the two countries. Portugal does not recognise the border between Caia and Ribeira de Cuncos River deltas, since the beginning of the 1801 occupation of Olivenza by Spain. This territory, though under "de facto" Spanish occupation, remains a "de jure" part of Portugal, consequently no border is henceforth recognised in this area. Portugal is located on the western coast of the Iberian Peninsula and plateau, that divides the inland Mediterranean Sea from the Atlantic Ocean. It is located on the Atlantic coast of this plateau and crossed by several rivers which have their origin in Spain. Most of these rivers
Roads in Portugal the motorways in Portugal). Since the payment is electronic, it is quick to enter or leave the motorway, avoiding payment lines (which are still available for drivers without Via Verde). This system has won several prizes for its innovative form of paying for services. There are 9 "itinerários principais" (principal routes), signalized by the prefix IP, designated IP1 through IP9. IP1 and IP2 form cross-national north–south routes. The first runs along the west part of the country then ends in the southeast border of Castro Marim/Vila Real de Santo António; the second runs along the east part, roughly along the