The sovereignty marker is the most solemn place on the Truong Sa archipelago. This is where important activities take place such as: flag salute, military parade, etc. The marker is not only a construction marking sovereignty but also considered a symbol, expressing respect and gratitude to previous generations who sacrificed to protect the sovereignty of the sea and islands of the Fatherland. On the sovereignty marker of the Truong Sa archipelago, there is full information about longitude and latitude, along with the words Socialist Republic of Vietnam, firmly affirming the sovereignty of Vietnam's sea and islands.