An image processing apparatus includes an acquisition unit configured to acquire images each of which is an image having a first data amount acquired through image-capturing, a detection unit configured to detect an attention target in each of the images, a specification unit configured to specify a geographical range based on a geographical position where the detected attention target exists, and a conversion unit configured to convert an image of at least a part of the images into an image having a second data amount that is smaller than the first data amount according to an inclusion relationship between the specified geographical range and a geographical position where each of the images having the first data amount is acquired.