A gulf in geography is a large bay that is an arm of an ocean or sea. Not all geological features which could be considered a gulf have " Gulf " in the name, for example the Bay of Bengal or Arabian Sea. [1][2] We would like to show you a description here but the site won’t allow us. Gulf : A gulf is a portion of the ocean that penetrates land. Gulfs vary greatly in size, shape, and depth. They are generally larger and more deeply indented than bays. Many important trading centres are located on gulfs. Gulfs are sometimes connected to the ocean by narrow passages of water called straits. Gulfs can also have wide openings and are sometimes indistinguishable from larger bodies of water. Example: The Gulf of Mexico, bordered by the United States, Mexico, and the island ... 3. Gulf of Aden (a) Gulf of Aden is located in the Arabian Sea between Yemen and Somalia. (b) In the north-west, it connects with the Red Sea through the Bab-el-Mandeb strait. (c) The waterway is part of the important Suez canal shipping route between the Mediterranean Sea and the Arabian Sea in the Indian Ocean.