[2] 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.

Political leaders also became frequent visitors both before and after the Carnation Revolution, such as João Chagas, politician and journalist, who travelled to Lisbon in order to assume the direction of the new government, after the dictatorship of General Pimenta de Castro.

The small settlement continued growing, owing to the development of rail transport and support structures, later the installation of military quarters (after 1916) determined the geographic accessibility, resulting in further influx of families.

Until this date, its route to urban autonomy was a progressive emancipation, first separating from Torres Novas, and later from Barquinha: back then, it was also quite uncommon for a settlement to transform from village to town, then municipality, all within one century.

The growth in the population and expansion resulted in the creation of two new civil parishes: Nossa Senhora de Fátima, to the west of the line, and São João Baptista, to the east.

The introduction of new technologies caused some workers to lose their jobs, while the subsequent transformation of the company from labour-intensive methods to the newest technology-related services, offered others new opportunities.

The INE "Instituto Nacional de Estatísticas" statistics for 2004, indicated that Entroncamento continued to be the region with the largest purchasing power in the district of Santarém.