The location of the US Open depends on which sport you mean:

• For the U.S. Open Golf Championship 2025 , it will be held at Oakmont Country Club in Oakmont, Pennsylvania, from June 12 to June 15, 2025

• For the US Open Tennis Championships , it is held annually at the USTA Billie Jean King National Tennis Center in Flushing Meadows–Corona Park, Queens, New York City

So, the golf US Open is in Oakmont, Pennsylvania, while the tennis US Open takes place in Queens, New York.