The ESA is divided geographically into three regions.

The Europe/Africa region includes all of the countries in Europe, all countries in Africa and a portion of the Middle East including Turkey, Israel and the rest of the Levant.

The Asia-Pacific region consists of all countries in Asia and Oceania. It does not include the portion of the Middle East that is included in the Europe/Africa region

The Americas region consists of all of the countries in North, Central and South America, including those in the Caribbean.