"Tancos es una freguesia portuguesa del concelho de Vila Nova da Barquinha, con 1,56 km² de superficie y 295 habitantes (2001). Su densidad de población es de 189,7 hab/km²."
"Tancos is a Portuguese parish, located in the municipality of Vila Nova da Barquinha. The population in 2011 was 243, in an area of 2.04 km². Tancos parish is the location of an important military area (Polígono de Tancos) that includes the Tancos Military Air Field, the Parachute Troops School and a military engineering unit."