A "new city" refers to a planned urban area that is developed from scratch or significantly redeveloped to accommodate growing populations and modern needs. These cities often feature contemporary infrastructure, sustainable design, and efficient public transportation systems. They aim to provide a high quality of life for residents while addressing issues like overcrowding and environmental impact. New cities can be found worldwide, with notable examples including Songdo in South Korea and Masdar City in the United Arab Emirates. These developments often incorporate smart technology and green spaces, promoting a balanced lifestyle and fostering community engagement among residents.