Advanced technologies are recognized as the primary drivers of transformation in urban environments, significantly enhancing the quality of life for citizens. This chapter explores the impact of emerging technologies on cities, with a particular focus on the Internet of Things (IoT) and its applications in urban management. The Internet of Things, through the use of sensors and monitoring systems, facilitates the optimization of resource consumption and the intelligent management of infrastructure. Additionally, big data is presented as a vital tool for effective decision-making in urban management, enabling precise analysis and efficient forecasting. Additionally, renewable energy and green technologies are proposed as solutions to mitigate pollution and reduce energy consumption in urban areas. This chapter also examines smart transportation as a crucial aspect, encompassing intelligent public transportation systems and autonomous vehicles. Cybersecurity issues are receiving significant attention due to the growing reliance of cities on technology, and strategies for addressing cyber threats are proposed. Additionally, urban design is explored as a crucial factor in developing innovative and efficient urban spaces, with successful global examples in this field highlighted. This chapter emphasizes the importance and necessity of utilizing advanced technologies to create smart and sustainable cities. It also addresses the challenges and opportunities that lie ahead in this field.