Where is the Pacific Ocean located? only near 0° latitude on the prime meridian only south of the equator in both the Eastern and Western Hemispheres

It's in both the Eastern and Western Hemispheres.  

Explanation:

if you look at a compass you can find the direction. only near 0° latitude and the prime meridian is wrong because there not as close.

answer; i thinking 4.5 million. in sydney australia;