This E-book on “Simplified Oceanography” by Dr. Krishnanand is based on his YouTube lectures on the channel TheGeoecologist. It has been carefully compiled keeping in mind the requirements of UPSC CSE aspirants, undergraduate university students as well as the research scholars in geography and allied disciplines. It aims to simplify the various concepts and terminologies related to Oceanography for the students of geography across India and abroad. The focus of this E-book is on the prescribed CBCS syllabus in geography. The point wise highlighted descriptions along with diagrams, maps and images make it more comprehensive and interesting for the readers.