Tomar, also known in English as Thomar, is a city and a municipality in Santarém District in Portugal. The town proper has a population of about 20,000. The municipality population in 2011 was 40,677, in an area of 351.20 km².
The town of Tomar was born inside the walls of the Convento de Cristo, constructed under the orders of Gualdim de Pais, the fourth grand master of the Knights Templar in the late 12th century.
Tomar is one of Portugal's historical jewels and more significantly was the last Templar town to be commissioned for construction. Tomar was especially important in the 15th century when it was a centre of Portuguese overseas expansion under Henry the Navigator, the Grand Master of the Order of Christ, successor organization to the Templars in Portugal.