A content uploading system for uploading content configured with a plurality of pieces of audiovisual data held in a content transmitting device to a content receiving device via a network, wherein the content is transmitted together with clip information that is management information on the audiovisual data and content playback control information for specifying a playback sequence of the audiovisual data, the content uploading system comprising: the content receiving device including: a first receiver for receiving a content uploading request; a first controller for generating content identifier information and content destination information in response to the content uploading request received; and a first transmitter for transmitting the content identifier information generated and the content destination information generated; and the content transmitting device including: a second transmitter for transmitting the content uploading request; a second receiver for receiving the content identifier information and the content destination information; a second audiovisual data memory for storing the plurality of pieces of audiovisual data; a second clip information memory for storing the clip information; a second content playback control information memory for storing the content playback control information; a destination location information generator for generating a destination URI of the content playback control information, a destination URI of the clip information, and a destination URI of the audiovisual data in a specified format, respectively, by combining the content identifier information received and the content destination information received in accordance with a predetermined generating rule; and a second controller for making the second transmitter transmit the stored audiovisual data, the clip information, and the content playback control information to the destination indicated by the respective destination URI. the content receiving device including: a first receiver for receiving a content uploading request; a first controller for generating content identifier information and content destination information in response to the content uploading request received; and a first transmitter for transmitting the content identifier information generated and the content destination information generated; and a first receiver for receiving a content uploading request; a first controller for generating content identifier information and content destination information in response to the content uploading request received; and a first transmitter for transmitting the content identifier information generated and the content destination information generated; and the content transmitting device including: a second transmitter for transmitting the content uploading request; a second receiver for receiving the content identifier information and the content destination information; a second audiovisual data memory for storing the plurality of pieces of audiovisual data; a second clip information memory for storing the clip information; a second content playback control information memory for storing the content playback control information; a destination location information generator for generating a destination URI of the content playback control information, a destination URI of the clip information, and a destination URI of the audiovisual data in a specified format, respectively, by combining the content identifier information received and the content destination information received in accordance with a predetermined generating rule; and a second controller for making the second transmitter transmit the stored audiovisual data, the clip information, and the content playback control information to the destination indicated by the respective destination URI. a second transmitter for transmitting the content uploading request; a second receiver for receiving the content identifier information and the content destination information; a second audiovisual data memory for storing the plurality of pieces of audiovisual data; a second clip information memory for storing the clip information; a second content playback control information memory for storing the content playback control information; a destination location information generator for generating a destination URI of the content playback control information, a destination URI of the clip information, and a destination URI of the audiovisual data in a specified format, respectively, by combining the content identifier information received and the content destination information received in accordance with a predetermined generating rule; and a second controller for making the second transmitter transmit the stored audiovisual data, the clip information, and the content playback control information to the destination indicated by the respective destination URI.