We stayed at Arnos apartment while attending a surgical conference in Berlin. His organisation was fantastic he helped us work out how to get from the plane to the door with no problems. He helped us complete our business paperwork to avoid tourist tax and he was fast and helpful when replying to all questions. The apartment is in a far better location than I imagined, it is 1 minute from a metro stop which makes getting around Berlin so easy. There are plenty of restaurants on the same street if you want somewhere very close. A few metro stops from checkpoint Charlie, you can get everywhere in under 15 minutes. The apartment is very spacious for Berlin, clean, quiet and easily accessible. I would highly recommend staying here, Arno is a fantastic, professional and caring host.