The 57th parallel south is a circle of latitude that is 57 degrees south of the Earth's equatorial plane. No land lies on the parallel — it crosses nothing but ocean.
At this latitude the sun is visible for 17 hours, 53 minutes during the December solstice and 6 hours, 43 minutes during the June solstice.
57th parallel south Wikipedia
Starting at the Prime Meridian and heading eastwards, the parallel 57° south passes through: