San Jose is a city located in California, United States. It is the largest city in Northern California and the third-largest city in the state. San Jose is known for being the center of Silicon Valley, which is a global hub for technology and innovation. The city is home to many prominent technology companies, including Apple, Google, and Adobe. San Jose has a diverse population and offers a range of cultural, recreational, and entertainment opportunities. The city is also known for its pleasant climate, with mild winters and warm summers.