Polish President Lech Kachinsky invited Presidents of Azerbaijan, Ukraine, Georgia, Kazakhstan and Lithuania to participate in the summit to start today.

Azerbaijani, Ukrainian, Georgian and Lithuanian Presidents and Kazakh Deputy Energy Minister will attend the summit.

The first meeting will be held in Wawel castle functioned as the residence of medieval Polish rulers. The summit is to be held at Jagiellonian University on May 12. It will not conclude any official document. APA