Sunnyvale is a city located in the heart of Silicon Valley, California. Known for its tech industry and innovation, Sunnyvale is home to many major technology companies, including Yahoo, Lockheed Martin, and Juniper Networks. The city has a diverse and vibrant community, with a mix of residential neighborhoods, commercial areas, and green spaces. Sunnyvale is known for its pleasant climate, with an average of 300 days of sunshine per year. The city offers a range of outdoor activities, including hiking and biking trails, parks, and golf courses. The downtown area is bustling with restaurants, shops, and entertainment options, making it a popular destination for locals and visitors alike.