Straits are natural sea passages that connect two bodies of water and play a vital role in international maritime trade. Because of their strategic locations, they shape global shipping routes and energy flows. Among the most important are the Strait of Gibraltar, the Strait of Hormuz, and the Strait of Malacca.

The Strait of Gibraltar connects the Atlantic Ocean with the Mediterranean Sea, separating Europe (Spain) from Africa (Morocco). It is one of the world´s busiest maritime routes, handling an exceptionally high volume of shipping traffic. According to the Gibraltar Port Authority (2025), around 120,000 vessels pass through the strait each year.

The Strait of Hormuz connects the Persian Gulf with the Gulf of Oman and, consequently, the Indian Ocean. It is a vital gateway for global energy trade, as a significant proportion of the Middle East´s oil and natural gas exports transit through this strategic waterway.

The Strait of Malacca links the Indian Ocean with the South China Sea and the Pacific Ocean, between the Malay Peninsula and the island of Sumatra. It is one of the busiest shipping lanes on the planet and a vital route for trade between Asia, Europe, and the Middle East.

Together, these three straits are essential to global maritime trade, facilitating the movement of goods and energy resources across continents. The Strait of Malacca is renowned for its enormous shipping and cargo volumes, the Strait of Hormuz for its pivotal role in global energy supplies, and the Strait of Gibraltar for serving as the main maritime gateway between the Atlantic Ocean and the Mediterranean Sea.

Despite their importance, these straits are also highly sensitive areas in terms of geopolitics and maritime security.

The Strait of Hormuz remains one of the world´s most sensitive chokepoints, where ongoing tensions continue to afffect the stability of global energy supplies. It is an international strait governed by the right of transit passage under the United Nations Convention on the Law of the Sea (UNCLOS), which cannot be suspended by the coastal states.

The Strait of Malacca faces ongoing challenges related to piracy and other maritime security risks, with the surrounding countries strengthening cooperation to safeguard this vital shipping route.

The Strait of Gibraltar continues to serve as one of  the Mediterranean´s main gateways, handling intense and continuous maritime traffic.

The Straits of Gibraltar, Hormuz, and Malacca are fundamental pilllars of global maritime trade. Their economic and strategic importance makes them indispensable to the functioning of global supply chains, while also exposing them to ongoing geopolitical and international security challenges.

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