I dare say I'm not quite a huge fan of Seville. But if I had to recommend one thing, I'd say - go visit the Plaza de España, for it will take your breath away.
Andalucía, South of Spain.
White-washed Houses that dot the hills.
Olive Groves that line the roads.
Moorish-influenced architecture and culture.
Here's a brief look at the beauty of Andalucia.