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
Marion Commercial Historic District Marion Commercial Historic District The Marion Commercial Historic District is a nationally recognized historic district located in Marion, Iowa, United States. It was listed on the National Register of Historic Places in 2009. At the time of its nomination it consisted of 41 resources, which included 29 contributing buildings, one contributing site, one contributing structure, two contributing objects, and eight non-contributing buildings. The historic district covers the city's central business district. The development of this area largely occurred when Marion was the county seat of Linn County (1838-1919). There are no county government buildings extant from this era. The city