GATCHINA GARDENS PROJECT. IT infrastructure of a resort city of a new generation. The concept and development strategy of the IT project "Gatchina Garden" is determined by the general strategy of the project and the stages of development of "smart cities" from world practice. The Gacina Gardena project is proposed to be implemented in the concept of the Smart City 2.0 stage with the transition to the Smart City 3.0 stage. The main areas of IT application in the concepts of Smart City 2.0 / Smart City 3.0 Next-generation infrastructure Open data - data from various services should be accessible and transparent to other services Automation and minimization of the impact of the human factor on life support processes Involvement of citizens (online platforms and social media, increasing the number of technology entrepreneurs) Adaptive city (Promote the use of smart grid technologies to better manage energy and water consumption, new ways to reuse waste, 3D visualization technologies of the London city to identify unused resources, optimize road works. Reduce traffic congestion and the number of accidents, including those involving pedestrians and cyclists) Administrative services, increase data exchange and data analytics