Most of the film was shot in the USA, but all Kazakhstan scenes were filmed entirely in Romania. 

Filming Locations:

Car Dealership

In the Movie

Scene where Borat looks for a car with a magnet for pussies.

In Reality

The scene was filmed at a used car dealership located in a suburb of Washington, D.C.

Phone Booth

In the Movie

Scene where Azamat calls the Minister of Kazakhstan.

In Reality

The scene was filmed in the town of Tunica, located along the highway south of Memphis.

Parking Lot

In the Movie

Scene where Borat arrives at the parking lot to meet Pamela Anderson and take her as his wife.

In Reality

The scene was filmed at a shopping center parking lot in Los Angeles.