The location is great, so are the staff, they are very friendly and helpful. I believe bedding should be included in the price, guests should not be charged extra for it after all it isn't cheap to stay there in the first place and a kitchen would be nice, Copenhagen is an expensive city, it helps a little when you can make your own food sometimes.
I've been to Istanbul many times before and stayed in several different hostels but will be staying at this one from now on (I'm actually back there again now). The staff at Harmony Hostel are amazing, very helpful and friendly. Well located, close to the Blue Mosque and Grand Bazaar and a minute walk to the tram stop and has a really nice chillout spot on the roof overlooking the city and the river.
The staff at this hostel were AMAZING!! Very friendly and helpful people. The hostel was in a great location, clean and tidy with a good size kitchen, free coffee and a really nice garden area. I`d definately stay there again if I was ever back in Belgrade. 10 out of 10!