The smart cities concept highlights the use of Information and Communication Technology (ICT) to increase the quality and build more efficient technological solutions in different urban network services of a city life. One of the most famous models used to make a smart city is Internet Of Things (IOT), this is of the IOT abilities to build and organize intelligent solutions for smart cities. The concept of IOT is integrating sensors into everyday objects and through specific protocols interconnecting them over the internet for communication and exchanging information to provide various services for urban citizens. The objective of this paper is to show and discuss how cities’ projects can be developed to smart based on IOT uses