Preheat oven to 350.
Whisk together the flour with baking powder and salt in a small bowl. Set aside.
In a large mixing bowl, cream together the butter and sugars on high speed. Add the eggs one at a time, mixing throughly after each egg. Beat in vanilla extract.
On low speed, add flour mixture a little at a time, alternating with the greek yogurt.
In a separate bowl, toss the two cups of blueberries with a little flour to coat them. Fold into the batter.
Generously coat the bundt pan with cooking spray and spread batter into pan.
Bake cake for about 60-70 minutes, or until a toothpick inserted into the center of the cake comes out clean.
Cool completely before removing from pan.