Büyükdere Avenue Büyükdere Avenue Büyükdere Avenue () is a major avenue which runs through the districts of Şişli (Esentepe quarter), Beşiktaş (Levent quarter) and Sarıyer (Maslak quarter) on the European side of Istanbul, Turkey. It begins at Şişli Mosque and runs in an eastward direction partly under the viaduct of the inner-city motorway O-1 through Mecidiyeköy, Esentepe, until reaching Zincirlikuyu; where it joins with Barbaros Boulevard and turns northward passing through Levent, Sanayi Mahallesi, Maslak and by the Fatih Forest, ending at the Hacıosman Slope on the Sarıyer district border. Its total length is . From Zincirlikuyu to Maslak, it forms a
Osage Commercial Historic District is the historic structure. Osage Commercial Historic District The Osage Commercial Historic District is a nationally recognized historic district located in Osage, Iowa, United States. It was listed on the National Register of Historic Places in 2002. At the time of its nomination it contained 50 resources, which included 46 contributing buildings, one contributing structure, and three non-contributing buildings. The historic district covers most of the city's central business district. Four settlers claimed four tracts of land that would become the city of Osage: Hiram Hart, that is the southwest side; Dr. A.H. Moore, for the southeast side; O.E. Tripp,