IRNA � The Islamic Republic of Iran is a guarantor to regional security, said Head of Foreign Ministry's Institution for Political and International Studies (IPIS) Mohammad-Kazem Sajjadipour on Thursday.

Sajjadipour told a group of scholars in Tokyo that Iran guarantees not only its but also region's security.

He said Iran, a country with 15 neighbors, links different regions such as Central Asia, the Caucasus, the Indian Sub-Continent and east of Arab world.