Entroncamento is a Portuguese municipality in district of Santarém in the Médio Tejo Subregion of the Centro Region. The population in 2011 was 20,206, in an area of 13.73 km2. Situated in the Ribatejo, it benefits from its geo-strategic position along the Tagus Valley, with important accessibility to the motorways and railway lines that historically promoted its growth and expansion.