Can be free (preferably) or paid. Need one that's reliable/accurate (preferably updated regularly as well.<p>It should have the Continent>Country>Region(and/or State)>City hierarchy.<p>I've looked and found the usual suspects (see below) but they don't seem to be entirely accurate (at least the free versions).<p>If you've had experience with any databases like these, any advice would be greatly appreciated as to which is the most accurate/reliable.<p>https://www.maxmind.com/en/worldcities<p>https://developer.yahoo.com/geo/geoplanet/<p>http://www.geonames.org/export/<p>http://www.geobytes.com/FreeServices.htm<p>Also found a couple of discussions on Stackoeverflow:<p>http://stackoverflow.com/questions/2463004/free-sql-script-to-get-a-list-of-countries-provinces-states-and-their-cities<p>http://gis.stackexchange.com/questions/603/is-a-country-state-city-database-available<p>Also found some old post on HN:<p>https://news.ycombinator.com/item?id=1093005