As mentioned by others the house was hard to find from the direction we came. Google map lead us to a dead end close to the backyard. I was going to tell you how to get there, but the bad experience we had when coming home changed that.
Alexandros wanted us to pay 300 Euro extra. He said that the lock was damaged since we left the key in the lock inside. But we just followed his instructions “Okey u can leave the key somewhere inside the apartment and u can leave:-)”.