1. A mobile augmented reality (AR) device, the device comprising: at least one sensor, including a location sensor; a display; a non-transitory, computer readable memory storing software instructions; and a processor coupled with the computer readable memory, the at least one sensor, and the display; and, upon execution of the software instructions, is configurable to: obtain sensor data from the at least one sensor wherein the sensor data includes a device location obtained from the location sensor; access a map of an area of interest from an area database based on at least the device location within the sensor data; identify a subarea from a set of subareas that covers at least a portion of the map of the area of interest, where the subarea is identified based at least in part on the device location relative to locations of subareas in the set of subareas; and render AR content that is bound to the subarea on the display based on a point of view of the device.