http://www.viasromanas.net/pdf/09_Via_romana_Salamanca_a_Villalazan.pdf
http://www.viasromanas.net/pdf/09_Via_romana_Salamanca_a_Villalazan.pdf
Los Castros
Roman building
After the Roman victory over the Lusitanian hero Viriathus the settlement was named by the Romans, Occelum Durii or Ocellodurum (literally, "Eye of the Duero").