Bio City Sofia is a NGO based in Sofia. The organization launched various projects related to the development of the urban environment. "Peter's City Tours" is one of those projects whose main goal is to give a real impression of the city to all visitors to Sofia. Your tour guide is a passionate local who grew up in Sofia. He will not only show you local attractions but will also offer you an insight into what you can experience in your free time; where the locals go & more about the social and night life highlights of the city. Sofia has so many interesting places, often hidden.