The Southern District Health Board (SDHB) is a regional health authority in New Zealand responsible for providing health services to the southern region, including areas like Dunedin, Invercargill, and Queenstown. It oversees hospitals, community health services, and mental health programs, ensuring that residents have access to necessary medical care. SDHB operates under the guidelines set by the New Zealand Ministry of Health and aims to improve the health and well-being of the population it serves. The board collaborates with various health professionals and organizations to deliver effective healthcare solutions tailored to the needs of the community.