That point is in central Mexico. The nearest capital is Querétaro, the capital city
of the state of the same name, about 48 miles northwest of that point.
The capital of Mexico
The capital city closest to this point is Raleigh, North Carolina. The actual point is about 30 miles northwest of Raleigh, near the city of Durham.
That's near Vienna.
Rabat, Morocco,Africa is the answer.
Charleston , West Virgina
The co-ordinates you have given refer to Stockholm, the capital of Sweden (which of course is nowhere near North America).
Jerusalem!
The capital city near the intersection of 15 degrees north latitude and 120 degrees East longitude is Taipei, which is the capital of Taiwan.
Mexico City
Singapore
Mexico City
Manila, Republic of the Philippines, is about 70 miles east of these coordinates.