A city center is a starting and end point of numerous and various movements of a city, so called "basic paths focus". Therefore, it is strained by the tensions of the centrifugal and centripetal courses of the city and its denizens. The center unifies variety of high and low level activities, and concentrates the characteristics of a wider area and imposes a high degree of social communication and contact. In each city tissue, the center represents the most attractive and unique ambient unit, due to a high concentration of various activities taking place in it. The center regardless of its characteristics, functions and category, exists only as a part of an urban system - it is functionally connected to the gravity area and structurally to the city as a system.