Hasköy head office has a historical texture contrasting with it’s BNG’s futuristic style. In Ottoman Empire period, it was mainly a refuge quarter. In the 18th century the building was constructed as a non-muslim school, which was later used as a refinery. After the conquest of Istanbul, Fatih Sultan Mehmet, the conquer, pitched his tent in this district. Hasköy is a given compound name given after this historical event. The word ’has’ means selected and ‘köy’ stands for village which stands for “the selected village”. Today Hasköy a part of Beyoğlu district is on the northern bank of Haliç. Thus, there is transportation via land and sea.