Methods and systems of detection of presence in and delivery to location are provided. A method detects a presence of a mobile device within a perimeter of a geographic region. The method searches a database to determine whether the first mobile device is associated with any existing account. Responsive to determining that the mobile device is associated with a first account, the method searches the database to determine whether there is any pending task associated with the first account. Responsive to determining that there is a pending task associated with the first account, the method transmits a first message indicating the detection of presence of the mobile device associated with the first account. The method determines that the mobile device is at least approximately at a first location of a plurality of predefined locations within the perimeter. The method transmits information associated with the first location to the computing device.