There are different answers to this question depending on the source. According to the **National Oceanic and Atmospheric Administration (NOAA)**, there is only one global ocean which is geographically divided into distinct named regions. However, historically there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. Most countries including the United States now recognize the Southern (Antarctic) as the fifth ocean. The Pacific, Atlantic, and Indian are the most commonly known. The Southern Ocean is the 'newest' named ocean.
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