Back خوان دي بورخا إي كاسترو Arabic خوان دى بورخا اى كاسترو ARZ Хуан де Борха и Кастро Bulgarian Juan de Borja y Castro German Juan de Borja y Castro Spanish Juan de Borja y Castro French
Juan de Borja y Castro (1533, Bellpuig – 3 September 1606, El Escorial) was a Spanish noble of the House of Borja and the House of Castro. Juan was a soldier, diplomat and a worker for the Spanish state. He is best known for being the first Count of Mayalde and count consort of Ficalho (in Portugal).