Are hairdryers provided in the room ?
No they don't but I think you can ask the front desk and borrow it for free.
oh..wait, i think they have a small one in the girl dorm that I stayed.
lets check again ;)
I don't remember sorry - I brought my own hairdryer to the hostel :)
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3 Days in Berlin
One day in Berlin
2 Nights in Berlin - including christmas markets