proper noun/alkaθaˈɾen/
Alcazarén (a town and municipality of Valladolid, Castile and León, Spain).; Alcazarén (a village in Barbalos, Salamanca, Castile and León, Spain).
Borrowed from Arabic الْقَصْرَيْن (al-qaṣrayn, literally “the two castles”). Doublet of Alcázar, which was borrowed from the singular form اَلْقَصْر (al-qaṣr).