A location that claims some 3000 years of inhabitation with physical evidence discovered dating from the Iron Age. Standing on a ridge above the River Tagus, the historic city of Santarem is one of the earliest and most interesting places in the region. Known as Praesidium Julium by the Romans on the account of the Emperor Julius Caesar - it was once one of the strongest fortresses in Portugal, thanks to its prominent position overlooking the extensive Ribatejan plains. definitely worth a visit!