Its placename is derived from the Alemannic German "at the people of the Ito", and first appeared in print in 1318 as Yttigen.While the villages in the mountains remained mostly agricultural, the hamlets on the valley floor were local centers for trade and industry.Around the 17th and 18th centuries, the agricultural villages focused on providing fruits, vegetables and hay for the weekly markets in the nearby city of Bern.In the 19th century, agriculture remained important, but small workshops and cottage industry work provided jobs for many of the residents.Within the Bolligen parish, Ittigen and the surrounding villages formed a semi-independent congregation and elected their own member of the church council.The congregation fulfilled many of the essential municipal functions such as caring for the poor and orphans, providing education and collecting taxes.Of the rest of the land, 2.54 km2 (0.98 sq mi) or 60.3% is settled (buildings or roads), 0.04 km2 (9.9 acres) or 1.0% is either rivers or lakes.[5] The municipality is located in the Worblental (Worblen valley) on a terrace on the Mannenberg (elevation 688 m [2,257 ft]) in the agglomeration of Bern.[7] The blazon of the municipal coat of arms is Quartered Gules and Or in second a Grenade Sable inflamed of the first and in third a Mill Wheel of the third.The entire Worbletal (Worble valley) which includes; Bolligen, Ittigen, Ostermundigen and Stettlen is part of the Inventory of Swiss Heritage Sites.In the tertiary sector; 738 or 10.5% were in wholesale or retail sales or the repair of motor vehicles, 724 or 10.3% were in the movement and storage of goods, 192 or 2.7% were in a hotel or restaurant, 1,874 or 26.6% were in the information industry, 411 or 5.8% were the insurance or financial industry, 354 or 5.0% were technical professionals or scientists, 125 or 1.8% were in education and 315 or 4.5% were in health care.[11] Since 1991, Ittigen expanded its source of budget to the highway resting site parking fees.As it is very pioneeric economic area, world rare and extraordinary, at the same time but controversy, it has been published in several newspaper articles.This is followed by three years of obligatory lower Secondary school where the students are separated according to ability and aptitude.