---
title: "Bay of Bengal — Definition & Meaning | Model Diplomat"
description: "The Bay of Bengal is the largest bay in the world, bordered by India, Bangladesh, and Myanmar, crucial for South Asia's river systems."
url: "https://modeldiplomat.com/learn/glossary/bay-of-bengal"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- The Bay of Bengal is the northeastern arm of the Indian Ocean, the world's largest bay, bordered by India, Bangladesh, Myanmar, Sri Lanka and the Andaman and Nicobar Islands.
- How were the Bay of Bengal maritime boundary disputes resolved?
- Why is the Bay of Bengal so prone to deadly cyclones?
- What is the Bengal Fan and why is it significant?
- How does the Bay of Bengal feature in India's regional strategy?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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In 2014, an Annex VII UNCLOS arbitral tribunal at The Hague settled the Bangladesh–India maritime boundary, awarding Bangladesh roughly four-fifths of the disputed 25,602 sq km in the Bay of Bengal.

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[Foreign Policy Regional Relations India Myanmar](https://modeldiplomat.com/learn/lessons/bcs-bangladesh-in-world-foreign-policy-regional-relations-india-myanmar)[Map Work Location Geophysical Phenomena Cyclones Quakes](https://modeldiplomat.com/learn/lessons/upsc-geography-map-work-location-geophysical-phenomena-cyclones-quakes)

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