I guess it depends on the purpose of your visit. If you are on a whirlwind tour of Europe or Spain, then I guess a week would be sufficient to say "Yep, I spent a week in Seville once.", but if your curiosity extends to the art, culture, cuisine and the people of this region then a week will hardly scratch the surface. read more
I would certainly recommend you to visit Sevilla, is one of the most beautiful cities in Spain and you can enjoy its cheap tapas and beers. I would check the weather if possible because in august it can get really really hot in Sevilla, AC room is probably a necessity. read more