Cycling is becoming an increasingly desirable mode of transportation due to its positive impact on the environment and consequently on people's quality of life. Developing this form of transport is an ideal pathway towards sustainable mobility, but in order for it to develop it is essential to establish an appropriate cycling network and associated infrastructure that would ensure safety and unhindered movement for cyclists. In the city of Zadar, there exists a network of cycling paths, but it is not adequately developed. This is evidenced by the fact that only a insignificant part of the population uses bicycle as a mean of transport. Therefore, improvements are needed in Zadar's cycling infrastructure to encourage a greater number of citizens to engage in frequent cycling. This thesis analyzes the current state and potential improvements of the existing cycling infrastructure in the city of Zadar with the help of GIS tools. Results of the analysis have shown that the city of Zadar has a significant potential for expanding the network of cycling paths and lanes. It is also established that, along with the use of GIS tools, it is necessary to further check the actual conditions in reality in order to identify surrounding factors that could significantly impact the process of planning the cycling traffic.