1. Bay of Bengal: Located on the northeastern side of the Indian Ocean, the Bay of Bengal is bordered by India, Bangladesh, Myanmar, and Sri Lanka.
2. Arabian Sea: Located on the northwestern side of the Indian Ocean, the Arabian Sea is bordered by India, Pakistan, Oman, Yemen, and Somalia.
3. Red Sea: Located between Africa and Asia, the Red Sea is connected to the Indian Ocean through the Gulf of Aden.
4. Persian Gulf: Located between Iran and the Arabian Peninsula, the Persian Gulf is an arm of the Arabian Sea.
5. Gulf of Oman: Located between Iran and Oman, the Gulf of Oman connects the Arabian Sea to the Persian Gulf.
6. Gulf of Aden: Located between Yemen and Somalia, the Gulf of Aden connects the Red Sea to the Arabian Sea.
7. Bay of Kutch: Located on the western coast of India, the Bay of Kutch is an arm of the Arabian Sea.
8. Palk Bay: Located between India and Sri Lanka, the Palk Bay is an arm of the Bay of Bengal.
9. Mannar Gulf: Located between India and Sri Lanka, the Mannar Gulf is an arm of the Gulf of Mannar, which is a part of the Bay of Bengal.
10. Spencer Gulf: Located on the southeastern coast of India, the Spencer Gulf is an arm of the Bay of Bengal.