Youngest or newest cities in the world?

The youngest or newest cities in the world are those that have been recently founded or established. Here are a few examples of young cities:

- Songdo, South Korea: Songdo is a new city built on reclaimed land in the Incheon metropolitan area. Construction began in 2003, and the city officially opened in 2015. Songdo is known for its smart technology infrastructure and sustainable urban design.

- Putrajaya, Malaysia: Putrajaya is the new administrative capital of Malaysia, located about 25 kilometers south of Kuala Lumpur. Construction began in the early 1990s, and the city was officially declared the capital in 2001. Putrajaya is known for its impressive architecture and modern infrastructure.

- Masdar City, United Arab Emirates: Masdar City is a sustainable city project located in the Abu Dhabi emirate. Construction began in 2008, and the city is still under development. Masdar City aims to be a carbon-neutral, zero-waste city powered by renewable energy sources.

- Shenzhen, China: Shenzhen is a young city located in southern China, bordering Hong Kong. It was established as a city in 1979 and has experienced rapid growth since then. Shenzhen is known as a major technology and manufacturing hub, and it is home to many high-tech companies.

- Neom, Saudi Arabia: Neom is a planned city that is currently under development in northwestern Saudi Arabia. It aims to be a technology-driven, sustainable city with a focus on industries such as renewable energy and tourism.

It's important to note that the definition of "youngest or newest city" can vary depending on different criteria. Some sources may consider cities based on their official founding dates, while others may take into account factors such as population growth or urban development.