Abstract: A system for providing advertisements receives a location-based advertisement from an advertiser, transmits the advertisement to at least one navigation terminal in a wire or wireless network environment, and in the case that a user's location on a map is in an advertisement area registered by the advertiser, informs the user of the advertisement corresponding to the advertisement area in real time. The system includes an advertisement providing server for receiving application of an advertisement from the advertiser, storing the advertisement therein and transmitting the advertisement to at least one navigation terminal; and a navigation terminal for receiving the advertisement from the advertisement providing server, storing the advertisement therein, comparing a user's current location displayed on a map screen with an advertisement area, and in the case that the user's location is in the advertisement area, informing the user of the corresponding advertisement.