An ultrasonic observation apparatus includes: a region of interest setting unit capable of setting information on a region of interest； a focus point calculation unit that divides the region of interest into a plurality of partial regions of interest according to the number of focus points in the region of interest, calculates a focus point in each of the partial regions of interest, and determines a transmission timing according to calculation results； a transmitting and receiving unit that performs a transmission-and-reception of an ultrasonic wave which is focused on the focus point； a frequency analysis unit that calculates a plurality of frequency spectra by analyzing the received ultrasonic wave with reference to the focus point； a feature data extracting unit that approximates the frequency spectra to extract feature data thereof； and an image processing unit that generates display image data based on the feature data. The focus point calculation unit does not set a focus point according to the number of focus points in the partial regions of interest including the focus point for the B-mode image.
