Yes, Union Square is widely considered the heart of downtown San Francisco. Specifically, it serves as the city's central shopping, hotel, and theater district. While the Financial District to the northeast is the "corporate" downtown, Union Square is the "commercial" and "social" downtown. It is a 2.6-acre public plaza bordered by Post, Stockton, Geary, and Powell Streets. The area is famous for its concentration of luxury retailers like Tiffany & Co. and Saks Fifth Avenue, as well as the cable car turnaround at Powell and Market. In 2026, the area continues to be a primary gathering spot for tourists and locals alike, hosting major seasonal events like the Christmas tree lighting and ice rink. Its central location makes it a transit hub, connecting the Market Street corridor with the upscale neighborhoods to the north. Whether you are looking for high-end dining, Broadway-style theater at the Curran, or simply a central place to stay, Union Square is the definitive "downtown" experience for most visitors to the city.