CAVIAR Han Hayyar Han, which was the center of stock market affairs in the 19th century and then collapsed, was in the same block as Ömer Abed Han. This destroyed building has an important place in the Ottoman economic history.

ÖMER ABED HANIAnother foreign architect who practices art in Karaköy square is the famous Alexandre Vallaury. The work of this famous architect, who built many buildings in Istanbul, in this square is Ömer Abed Inn. This reflects the most Art Nouveau influences among the known styles.