Electronic device and method of displaying content thereon

An electronic device comprising:

• a foldable housing including:
• a hinge,
• a first housing connected to the hinge, and including a first face oriented in a first direction, and a second face oriented in a second direction opposite the first direction, and
• a second housing connected to the hinge and including a third face oriented in a third direction, and a fourth face oriented in a fourth direction opposite the third direction, the second housing configured to be folded with the first housing about the hinge, wherein, in a folded state, the first face faces the third face, and in a fully unfolded state, the third direction is same as the first direction;
• at least one sensor disposed inside the foldable housing;
• a first display extending from the first face to the third face defining the first face and the third face, the first display having a first size and a first pixel density;
• a second display defining the second face, the second display having a second size different from the first size and a second pixel density different from the first pixel density;
• a processor disposed inside the first housing or the second housing, and operatively connected to the at least one sensor, the first display, and the second display;
• and
• a memory operatively connected to the processor,
• wherein the memory is configured to store instructions that, when executed, cause the processor to control the electronic device to:
• display at least one first surface image generated based on a window having the first size through the first display;
• change a size of the window to a third size different from the first size and the third size being different from the second size based on information associated with the first display and information associated with the second display;
• and
• display at least one second surface image through the second display, the second surface image generated based on the window of which the size has been changed to the third size.