Boro play their final Championship game of the season away to Yeovil Town on Saturday, and Karanka said that he cannot wait to relax after a tough first season in England.
"Yes, I will have a holiday some time," he told Sky Sports News. "I need to be with my family, I have been five months on my own.
"Of course I will be working every day, but I need a holiday, I need to be with my family. I need to be back in Spain and I will go there soon, and when I'm there, I will enjoy the Champions League final - I have no doubt Real Madrid will win!"
Karanka took over at Middlesbrough following Tony Mowbray's sacking in November.