Official website: http://ses.ikso.net
The Summer Esperanto Course (SES, Somera Esperanto-Studado) is a summer Esperanto event organized by E@I since 2007. The mornings are dedicated to Esperanto classes, and the afternoons and evenings to a rich and entertaining program. Since 2008, the meeting is also the real-world meeting of lernu.net users. It happens in Slovakia every year, except in 2014, during which it was held in both Slovakia and Russia. The event took place for the 10th time in 2015.
| Date | Place | Remark |
|---|---|---|
| 12.-20/07/2019 | Nitra, Slovakia | 197 participants |
| 14-22/07/2018 | Liptovský Mikuláš, Slovakia | 258 participants |
| 15-23/07/2017 | Banská Štiavnica, Slovakia | 173 participants |
| 11-19/07/2015 | Martin, Slovakia | 190 participants |
| 17-25/08/2014 | Koltyshevo, Russia | 87 participants |
| 12-20/07/2014 | Nitra, Slovakia | 248 participants |
| 12-20/07/2013 | Martin, Slovakia | 230 participants |
| 21-29/07/2012 | Nitra, Slovakia | 250 participants |
| 30/07-07/08/2011 | Nitra, Slovakia | 191 participants |
| 02-10/07/2010 | Piešťany, Slovakia | 190 participants |
| 10-17/07/2009 | Modra-Harmónia, Slovakia | 90 participants |
| 09-17/08/2008 | Modra-Harmónia, Slovakia | 105 participants |
| 21-27/07/2007 | Pribylina, Slovakia | Under the name “Slavic Esperanto Course”, 50 participants |