It is named after the Spanish Renaissance poet Juan de Mena, and is located 88 metres above sea level, surrounded by the lowlands of the Rivers Manduvira, Yhaguy, and Hondo.
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Memorias de algunos linages antiguos e nobles de Castilla, Juan de Mena's work of the first half of the 15th century that is much prone to giving families mythical ancestries to link them to the glorious past, indicated that the Silva were "very old and noble knights and noblemen of high rank" with some writings claiming for them descent from the mythical Latin kings of Alba Longa (and hence from Aeneas of Troy).