The article identifies the principles of private public partnership (PPP) in social and green infrastructure and urban development of modern cities.The paper also focuses on the methodology that explains how local or national governments and the initiative of the private sector can become a strong factor in sustainable urban planning. The most important goals of developing urban areas and architecture policies include the enlargement of sustainable territories and legislative basis of governance, financial mechanisms and improvement in PPP; however, these measures are impossible to achieve without consistent implementation. One of the major goals for governments is to find effective ways to encourage society to be cooperative and involve...