TEHRAN, April. 27 (ISNA)-Iran has started compiling Persian Gulf Encyclopedia.

The encyclopedia will be compiled in 8 volumes during 4 years. It will look into different areas of knowledge in regard to Persian Gulf including history, geography, geology, ecology, political and legal issues, industry, agriculture, anthropology and sociology.

Also a site is going to be operated to provide researchers with historical maps of the region and articles to be used in the encyclopedia.