1. Bodies of water located within the territory of a country, including rivers, lakes, and internal waterways, as opposed to territorial or international waters
The country has jurisdiction over its inland waters.
O país tem jurisdição sobre suas águas internas.
2. In maritime law, waters that are under the complete sovereignty of a state and are subject to its laws
International ships must follow local regulations when navigating inland waters.
Os navios internacionais devem seguir as regulações locais ao navegar nas águas internas.