West of the historic center, the town turned suburb of Eyup is home to Islams fourth most important pilgrimage site. Eba-Eyup-el Ensari, Prophets standard bearer, came to Istanbul with an Arab army. According to the legend, having erected the town for a conference, he was killed by an arrow as he was leaving and buried there. His is housed at the wonderful mosque built at the site. Turkey, Istanbul - 15-Dec-06