Rehabilitation in Johannesburg. Johannesburg, also known as the city of Gold, is South Africa’s biggest city and is the capital of Gauteng province, which began as a 19th-century gold-mining settlement. Being such a large hub, it is no surprise that it is home to numerous rehab centers.When selecting a rehabilitation centre in Johannesburg for yourself or a family member, you should consider the quality of treatment, the length of treatment and how soon you or your loved one can be admitted to the treatment centre.We are here to assist you in locating the most reliable and established rehabilitation centres in Johannesburg.