A method and a system for providing integrated indoor and outdoor positioning are disclosed. The method for providing integrated positioning may comprise the steps of: receiving, by a user terminal, GPS coordinate information of the user terminal moving in an outdoor area around a building and an outdoor area within the building; and determining, by the user terminal, information on an area in which the user terminal is located and a floor on which the user terminal is located in the building, on the basis of GPS coordinate information mapped to each of the outdoor area around the building and the outdoor area within the building and the received GPS coordinate information.