Here’s a list of some useful webs on the history of Andalucia:
Tartessos, home of the once-powerful Tartessian civilization, was founded in Andalusia in pre-Roman times. The Phoenicians colonized several areas on the Andalusian coast during the latter part of the second millennium BC. The most important settlement was Cadiz (Gdr or Gdz in Hebrew) around 1100 BC. Read in Wikipedia