The emergence of the Indo-Pacific as the geopolitical centre of gravityin global security affairs and as a geopolitical space that is being bothcontested and (re)defined is one of the most significant events in international affairs of this century. This essay analyses the emergenceof the Indo-Pacific as a new geopolitical space—a cartographical(map-making) exercise conducted by the key agencies of this region. This essay explores aspects of cartography as ‘geopolitics in action’, while the space constructed as the Indo-Pacific through such exercisesis three-dimensional—cartographical/political, discursive/conceptual, and physical.