In this structure the fats are not much visible, when we wear cloths. There are fats al over the body, specially much at the stomach.
Eat less & Work more
Yes, eating less and spending more is the only solution to overweight problem.
Spot toning is not possible
If you are trying to work on belly only and expecting you will have a flatten stomach, I will advice you to read more on spot toning, because unless you will reduce fats all around your belly, you can never have a flat stomach.