A common Latitudes and longitude co-ordinate reference point to be used for cities (which area geographic areas-polygons) are usually established by the "National Atlas, toponomy commissions, etc. within each country for that country. I do not know whether or not their is a single world wide database which has this information. Jake Knoppers -----Original Message----- From: Nexo Informática [mailto:nexo@ilhanet.com.br] Sent: September 15, 2000 4:29 PM To: tz@elsie.nci.nih.gov Subject: New in list Dear Friends, I'm new in this list and I'm look for some information. tz database is only time zone and daylight saving database or it also covers latitude and longitude of cities? where I can find latitude and longitude information of cities of the your, mainly some updated database. Thanks in advance, Floriano Caldeira from Brazil