Co-management in public administration is an important concept in setting the objectives of the administration’s activities within local government. Such an activity must reflect the mission of the administration. The implementation of the co-management concept requires analysis within the framework of teaching decision-making administration in administrative units (offices). In this respect, representatives of the administration science can benefit from the achievements of management sciences. The implementation of the concept of co-management should include the relations of administration units with their external environment. In this way, it is particularly important to define relations between entities within the local government c...