Which waterway is likely the most used for shipping oil from the region?

The most used waterway for shipping oil from the region varies depending on the specific region you are referring to. However, one of the most significant waterways for shipping oil globally is the Strait of Hormuz, located between Iran and Oman. This narrow channel connects the Persian Gulf with the Gulf of Oman and is a vital transportation route for oil shipments from the Middle East to global markets. About 20% of the world's oil passes through the Strait of Hormuz, making it a crucial and highly used waterway for oil shipping from the region.