Tech hubs are geographic areas that foster innovation and entrepreneurship in technology. They often feature a concentration of startups, established tech companies, and resources like incubators and accelerators. These environments encourage collaboration among entrepreneurs, investors, and skilled professionals, leading to the development of new ideas and products. Cities like Silicon Valley, New York City, and Berlin are well-known tech hubs. They attract talent and investment, creating a vibrant ecosystem for technology-driven businesses. The presence of universities and research institutions also contributes to the growth of these hubs, providing a steady stream of skilled workers and cutting-edge research.