The Castle of Monsanto is a medieval castle located in the civil parish of Monsanto e Idanha-a-Velha, in the municipality of Idanha-a-Nova, Portuguese district of Castelo Branco.
Wikipedia https://en.wikipedia.org/wiki/Castle_of_Monsanto
Address 6060, Portugal
Coordinates 40°2'9.283" N -7°6'50.247" E