Tomar, also known in English as Thomar, is a city and a municipality in the Santarém district of Portugal. The town proper has a population of ab…Tomar, also known in English as Thomar, is a city and a municipality in the Santarém district of 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.