---
title: "National Maritime Domain Awareness (NMDA) — Definition"
description: "National Maritime Domain Awareness (NMDA) fuses radar, AIS and intelligence data to track ships in India's waters. See how it differs from coastal surveillance."
url: "https://modeldiplomat.com/learn/glossary/national-maritime-domain-awareness"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- National Maritime Domain Awareness is the effective understanding of activity in a nation's maritime zones that could affect its security, safety, economy, or environment.
- How does NMDA differ from coastal security?
- What triggered India's investment in NMDA?
- Why is AIS data alone insufficient for maritime domain awareness?
- What is the role of white-shipping agreements in NMDA?

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

National Maritime Domain Awareness is the effective understanding of activity in a nation's maritime zones that could affect its security, safety, economy, or environment.

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India commissioned the Information Fusion Centre – Indian Ocean Region at Gurugram in December 2018 to share real-time white-shipping data with partner navies across the Indian Ocean.

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