In this article, the issues of creating a single metropolis on the basis of municipal entities of the Sverdlovsk Region are considered, with the goal of forming a single geographic, territorial, political, economic and social space-urban agglomeration. The authors determine the development and implementation of a single agreed development plan, since the agglomeration is a single social, economic, investment space with a common system of economics, social, transportation and engineering services, a natural and ecological framework. Territorial planning, coordination of activities in the field of urban development and infrastructure development is the main issue around which inter-municipal cooperation should be built. The basics for creating the agglomeration and the main characteristics necessary for this process are also presented in the article.