The important role in the performance of agricultural enterprises in the agro-industrial complex (AIC) of the Russian Federation managing is given to diversification mechanisms aimed at expanding the business profile and solving social problems of the industrial and agricultural technological chain. Researchers and practitioners focus on the necessity of more fully exploit the potential of rural settlements, a function of the population which can be not only performing traditional activities in the production and processing of crop and livestock products but provide services tailored to regional market requirements, revealing the problem of diversification. The theoretical and methodological justification of the scientific basis for the formation of a mechanism for managing the diversification of enterprises in a competitive environment is made in accordance with the practical orientation, the result of which was to identify the features of managing the diversification of industry enterprises in conditions of increasing competition. The study of foreign and domestic experience and current trends in the development of the agroindustrial complex of the Russian Federation allowed determining the key features of the sabotage management mechanism in our country. The results of the evaluation of the potential industrialagricultural complex of Central Chernozem region are taken as the basis for the development of a mechanism to manage the diversification of agribusiness in the Voronezh region, determining the favorable and unfavorable factors and promising trends of diversification of regional enterprises in livestock, crops and aquaculture. The results of the rating assessment suitability of European regions in Russia for joint agricultural and agro-tourism activities, monitoring trends of industry enterprises, tools and methods of state support for the development of domestic tourism are the basis for developing recommendations for improving the mechanism for managing the diversification of the research object in the aspect of creating conditions for agricultural tourism, characterized by expanding the profile of its activities and ensuring the strengthening of competitive positions. The project is developed to create an agricultural estate, the success rate of which is estimated as high.