The main goal of HEPTAPOLIS is to meet the need to bring together the big Academic, scientific and technological forces of humanity under one ‘common roof’, to cooperate and collaborate with a collective spirit a spirit of harmonious communication and mutual trust in solving the vital problems of the planet and its people, and to improve in the best possible way the living and cultural level of societies in all regions of the world. With a deep awareness of the great responsibility for the formation and cooperation of the major active forces, especially the advanced peoples of the Earth, to agree and coexist within this ‘Common Home’, a comprehensive academic study has been completed for the creation of a Global Polis (City), the HEPTAPOLIS of Nations, which will be structured – for the first time in the known history of global civilisation -according to classical archetypes, with Pythagorean Architecture of the 7 Celestial Spheres and the Golden Ratio, adhering to all its metric dimensions, urban planning and building, the principles of the Golden Number 1.618, the Golden Section and the Golden Ratio and Symmetry.