a site registering device that registers a site allowing charging where a vehicle battery can be charged , the device including : a position acquisition unit that acquires position information on a charging site where charging of the battery has been conducted ; and a registering unit that specifies , on the basis of an actual charging result in the charging site , a category to which the charging site belongs among a plurality of categories , associates the charging site with the specified category and the position information , and registers the thus associated charging site as the site allowing charging .