If you want to visit the popular Alhambra in Granada, you should pre-purchase tickets. The only permits a certain number of visitors per day and you will get there one day when it’s already sold out, you become disappointedly standing outside.
You’ll also find other interesting Tickets such as Classic Seville, Malaga hop on hop off, Granada Card, Flamenco night in Seville, Granada hop on hop off etc.
The Alhambra, a perfect example of Arabic architecture of which was Qalat Al-Hamra, a 13th century palace complex built on a former roman fortress located in Granada, Andalusia, Spain. Wikipedia
Address: Calle Real de la Alhambra, s/n, 18009 Granada