The National Centre of Scientific Research "Demokritos" is a research center in Greece, employing over 1,000 researchers, engineers, technicians and administrative personnel. It focuses on several fields of natural sciences and engineering and hosts laboratory facilities.

Agia Paraskevi is a suburb and a municipality in the northeastern part of the Athens agglomeration, Greece. It is part of the North Athens regional unit. Agia Paraskevi was named after the main church of the town, which is dedicated to Saint Paraskevi of Rome.