International waters
![Areas outside of exclusive economic zones in dark blue.](/Images/godic/202501/20/International_waters.svg2838.png")
![Komárno in Slovakia is an inland port on the Danube River which is an important international waterway.](/Images/godic/202501/20/Komárom1142838.JPG")
![Atlantic Ocean - the main zone of sea transport in 15th-20th centuries.](/Images/godic/202501/20/Clouds_over_the_Atlantic_Ocean2838.jpg")
![Sea areas in international rights, seen from a top-down perspective.](/Images/godic/202501/20/Zonmar-en.svg2838.png")
The terms international waters or trans-boundary waters apply where any of the following types of bodies of water (or their drainage basins) transcend international boundaries: oceans, large marine ecosystems, enclosed or semi-enclosed regional seas and estuaries, rivers, lakes, groundwater systems (aquifers), and wetlands.