2 weeks journey to Spain

Hi eveyone!
I am planning a 2 weeks Journey to Spain between Protected content . I am very excited about it ,I have many questions for sure..So it would be great to hear some nice advices from you who is already living in Spain or who had experienced life there.I would be apprieciated with your advices or your answering my questions at all!I will start my Journey from Catalonia then will go on opposite direction of clock to Madrid, then to Sevilla,Malaga then to Valencia to examine Tomato Festival .From Valancia I will transfer to Madrid again where I am planning to keep my heavy luggage, finally move to Madrid again to get my flight back to Turkey on 31 August. If you have many to tell me then you can send a message and we can start a conversation . Thank you all!
Pinar