<P> The Pacific separates Asia and Australia from the Americas . It may be further subdivided by the equator into northern ( North Pacific ) and southern ( South Pacific ) portions . It extends from the Antarctic region in the South to the Arctic in the north . The Pacific Ocean encompasses approximately one - third of the Earth 's surface , having an area of 165,200,000 km ( 63,800,000 sq mi ) -- significantly larger than Earth 's entire landmass of some 150,000,000 km ( 58,000,000 sq mi ) . </P>
where does the pacific ocean begin and end
Antarctic region in the South to the Arctic in the north