This paper investigates new cities' diverse challenges, examining inherited issues from previous generations and emerging obstacles that demand innovative solutions. Focusing on the Egyptian cities of Galala and New Cairo, a comparative analysis explores challenges such as environmental concerns, population growth, infrastructure development, traffic congestion, social inclusion, climate resilience, economic diversification, tourism practices, cultural identity, employment opportunities, and community engagement. New Cairo confronts rapid growth and diverse population needs, requiring strategic urban planning, sustainable infrastructure investment, social inclusion initiatives, and technological innovation. Galala City, situated along the Gulf of Suez coast, aims for vibrancy and sustainability, necessitating comprehensive strategies encompassing economic diversification, responsible tourism, cultural preservation, community well-being, and sustainable resource management. The success of these cities depends on adaptive urban planning, effective governance, and continuous community engagement. The comparative analysis underscores interconnected urban challenges, emphasizing the necessity of a holistic approach. Success lies in strategies adopted by local authorities, stakeholder collaboration, and flexible urban planning policies. As urban challenges evolve with demographics, technology, and global dynamics, the paper advocates learning from existing cities, embracing innovative solutions, and adopting corrective planning approaches for sustainable and livable urban development.