The surname Castro is one of the oldest and most distinguished of all families in Spain-This name is of local origin and was given to a family that lived in a place called Castrohe, castro name derives from the Latin word "castrum" which means strength.

Some variations of this surname are: Castro, Castrillo, Castrelo and others.

Castro's last name comes from the knight Don Nuno de Belchides, born in Cologne, which came after Castile in 884 where he married the daughter of Count Dona Sula Pircelos Diego, whose marriage was born Judge Don Castilla Nuñez shave, he was the father of Dona Teresa Nuñez Bella, wife of Gundensalvez Lain, M. de Vivar and Villalain that descended from Ferdinand I the Great, Gundensalvez Lain Castrojeris lived in the villa where the name originates.

In Mexico in ancient times highlights 1582 Don Jeronimo de Castro son of Alvaro Lopez de Castro conqueror of New Spain, the first a man of arms and the second a man dedicated to working for the Inquisition, persecuting heretics and burned at the stake.

Famous people with the surname Castro:

Americo Castro, Spanish historian and linguist
Fidel Castro (1926 -): President of Cuba

This lineage is related to Rodrigo Diaz de Vivar "El Cid"