An event is a planned social gathering or occasion organized by an individual or group of people to celebrate any particular event or for the purpose of nurturing that moment with others. Humans are social beings, therefore, they experience different types of events in their lives. There are different kinds of events that were created by humans. Generally speaking, events are organized for entertainment, business, launch, parties, etc. Management is the process of planning, organizing, making decisions, coordinating and controlling the human resources, financial, physical and information resources of an organization in order to achieve its goals efficiently and effectively. Event management is the application of project management to the creation and development of small or large events. However, it is now also called a strategic marketing and communication tool that companies use to promote brands and increase sales. This paper represents the importance of public relations in event managment, with special emphasis on social media management. The manifestation Vinistra was chosen as an analised example. The results of the conducted survey have pointed to the necessity of using social media in communication of manifestations and also shown possibilities of improvement to the chosen manifestation as well as events in general.