Gravitating Frontiers (December 4-7, 2021).
High Energy and Gravity Days (April 23-26, 2018).
Dark matter in Cairo (December 14-17, 2015).
4th International Workshop on The Dark Side of the Universe (from 1 to 5 June 2008)..
Gravity and Cosmology: one day workshop in honor of Prof. M. Wanas' 70th birthday.
The 2nd workshop in Plasma Physics: Theory and Application, held at Port Said, Egypt, (from 11 to 14 October2014).
