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
Portugal I of Portugal signed with the king Fernando IV of Castile (which was represented, when being a minor, by his mother the queen Maria de Molina) the Treaty of Alcañices (1297), which stipulated that Portugal abolished agreed treaties against the kingdom of Castile for supporting the infant Juan de Castilla. This treaty established inter alia the border demarcation between the kingdom of Portugal and the kingdom of Leon, where the disputed town of Olivenza was included. The reigns of Dinis I (Denis I), Afonso IV (Alphons IV), and Pedro I (Peter I) for the most part saw peace with the