The announcement came after a meeting with club owner Manuel Ruiz de Lopera on Monday morning.
Chaparro, who took over in December after Hector Cuper was sacked, has signed for one year with the option of a second.
Copyright (c) PA Sport 2008, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms