ESTREMOZ, a town of Portugal, 104 m. by rail E. of Lisbon, on the Casa Branca-Evora-Elvas railway. Pop. (1930) 9,718. Estremoz is built at the base of a hill crowned by a large dismantled citadel. There are marble quarries in the neighbour hood, and the Estremoz billias, red earthenware jars, are used throughout Portugal as water-holders and exported to Spain. At Ameixial (661) and Montes Claros, near Estremoz, the Spanish were severely defeated by the Portuguese in 1663 and 1665. Villa Vi9osa (4,144), 10 m. S.E., is a town of pre-Roman origin, containing a royal palace.