The Twilert 'filter by location' tool allows you to type in a City, Country, Street name, venue or place name and search for tweets sent only within that specific area. You can also manually circle the area you want to cover using your cursor, for searches that are less specific. For more information on geolocation targeting, please read our full post on the subject: http://blog.twilert.com/2014/07/twitter-geolocation-targeting-sales-marketing