We arrived at Arusha Serena Hotel at 3.30am after a 24-hour journey, only to be told they did not have a reservation for us. I showed the receptionist the hotels.com booking and she finally gave us a key and said she would sort it in the morning. No apology the next morning. The rooms are very nice, in little rondavals. A bit smaller than shown on their photos though. Good choice at breakfast and overall the staff were very polite and friendly. Would I stay again - Yes but central reservations need to get their act together. Out of the 6 lodges we stayed at in Tanzania, 2 belonged to Serena. The 2nd hotel (Ngorongoro) had overbooked and we had a terrible experience there - again in was down to central reservations. Such a shame because both properties are lovely and unique and have lovely staff. Let down completely by head office.