11. The method of claim 1 , wherein determining, by the one or more computing devices, one or more similar geographic features to the target geographic feature comprises comparing, by the one or more computing devices, a number of dissimilar excess queries for the target geographic feature and a candidate geographic feature to a dissimilarity threshold.
1. A method comprising: determining, by one or more computing devices, a target geographic feature that does not initially have associated targeting information for providing targeted content associated with the target geographic feature, the target geographic feature defining a first geographic area; determining, by the one or more computing devices, one or more similar geographic features to the target geographic feature based at least in part on a comparison of query counts for each of a plurality of geographic features, the one or more similar geographic features defining one or more geographic areas distinct from the first geographic area, the one or more similar geographic features having associated targeting information; attributing, by the one or more computing devices, targeting information associated with at least one of the one or more similar geographic features to the target geographic feature; and providing, by the one or more computing devices, related targeted content responsive to one or more queries that relate to the target geographic feature, the related targeted content identified based at least in part on the attributed targeting information.