The hole distribution of underdoped and overdoped states in the Y(Ba2-ySry)Cu3O6+delta(delta similar to 0.1 and 0.9) compounds has been observed by high-resolution O K-edge X-ray-absorption near-edge-structure spectra. The chemical substitution of Sr for Ba in the fully oxygenated Y(Ba2-ySry)Cu3O6+delta (delta similar to 0.9) compounds gives rise to high hole concentrations within both the CuO2 planes and the out-of-plane sites, leading to the overdoped state and the decrease in the superconducting transition temperature from 92 K for y = 0 to 84 K for y = 0.8. In contrast, an increase in the Sr content in the oxygen-deficient Y(Ba2-ySry)Cu3O6+delta (delta similar to 0.1) compounds did not indicate superconductivity. The oxygen-deficient compounds exhibit underdoped state due to the low hole concentration.