The 57th Parallel South is a circle of latitude located 57 degrees south of the Equator. It runs through the Southern Ocean and is primarily situated in the Antarctic region. This parallel is significant for navigation and geography, marking a boundary in the southern hemisphere. This latitude crosses several important areas, including parts of the Antarctic Peninsula and the Weddell Sea. It is also near various research stations operated by different countries, contributing to scientific studies on climate, wildlife, and glaciology in the Antarctic environment.