Oceanography is that branch of science which deals with the physical and biological properties of the ocean and the various circumstances related to it. It is the branch of Geography that studies the ocean and is also referred to as oceanology.

Oceanography, as the name suggests, is that particular discipline of knowledge that is agitated with the oceans and includes within its scope the boundary line or an outer limit of oceans, of their magnitude and depth, the physical constituents and chemical quality of their waters, marine biological life, and the type of resources found there.