Claim: Grey's Anatomy is filmed in the United States.
Evidence: Although it is set in Seattle at the fictional Grey-Sloan Memorial Hospital -LRB- formerly Seattle Grace -RRB- it is primarily filmed in Los Angeles , California.
California -LRB- -LSB- kælᵻˈfɔːrnjə , _ - ni.ə -RSB- , -RRB- is the most populous state in the United States and the third most extensive by area.