Zekeriyaköy, Istanbul

Uskumruköy (literally mackerel village) is a neighbourhood in the municipality and district of Sarıyer, Istanbul Province, Turkey. Its population is 9,864 (2022). It is situated to the north of Belgrad Forest which is one of the most popular excursion areas of Istanbul citizens. It is 8 km (5 mi) west of Sarıyer centre and a suburb of Greater Istanbul. Uskumruköy is an old village and the ruins of an observation tower around the village was probably built by Republic of Genoa in the Middle Ages. During Ottoman Empire era the village was a gathering place of the army prior to campaigns to west. The economy of the village used to depend on cattle breeding and woodchopping. But at the present, most of the village area was bought by the construction companies and modern houses for Istanbul residents are being built. According to muhtar there are about 2500 villas in the village area. On the other hand, new European quarters of Istanbul are planned to be built in a vast area which covers Uskumruköy.

Maslak Pavilion (Turkish: Maslak Kasrı) is a former imperial Ottoman pavilion located in Istanbul, Turkey. It was constructed during the reign of Sultan Abdülaziz (1861-1876). It is under the administration of the Turkish Directorate of National Palaces.

Valide Dam (Turkish: Valide Bendi) is a historic dam located in Sarıyer district of Istanbul Province, Turkey. Valide Dam was built in 1796 by Ottoman Sultan Selim III (reigned 1789–1807) to provide water for the donations in Eyüp of his mother Mihrişah Sultan (c. 1745–1805), who was titled Valide sultan during his reign.The dam is situated north of Bahçeköy, Sarıyer inside the Bentler Nature Park, which is part of the Belgrad Forest.Valide Dam impounds Ayazağa Creek, a tributary of Acıelma Creek, and has a catchment area of 1.825 km2 (0.705 sq mi). It is a solid gravity dam constructed in masonry with its crest and the waterside wall covered by marble. Two buttresses in 6.30 m (20.7 ft) distance at toe are attached to the downstream wall to reinforce the structure. The dam is 11.25 m (36.9 ft) high from the thalweg and 103.90 m (340.9 ft) long at crest. The crest is 4.72 m (15.5 ft) and the base is 6.30 m (20.7 ft) wide. The dam has a reservoir capacity of 255,000 m3 (9,000,000 cu ft).

Topuzlu Dam (Turkish: Topuzlu Bent) is a historic dam located in Sarıyer district of Istanbul Province in Turkey. Topuzlu Dam was built in 1750 by Ottoman Sultan Mahmud I (reigned 1730–1754). In 1786, its crest was raised about 3.40 m (11.2 ft) higher by Abdul Hamid I (reigned 1774–1789). The dam is named "Topuzlu" meaning "bulged" due to a bulge-formed central part of the upstream wall side. The dam is situated just north of Bahçeköy, Sarıyer inside the Bentler Nature Park, which is part of the Belgrad Forest.Topuzlu Dam impounds Eskibağlar Creek and has a catchment area of 0.92 km2 (0.36 sq mi). It is a solid gravity dam constructed in masonry. The dam is 14.00 m (45.93 ft) high from the thalweg and 80.65 m (264.6 ft) long at crest. The crest is 4.30 m (14.1 ft) and the base is 7.00 m (22.97 ft) wide. The dam has a reservoir capacity of 160,000 m3 (5,700,000 cu ft).

Bentler Nature Park (Turkish: Bentler Tabiat Parkı) is a nature park located in Sarıyer district of Istanbul Province, Turkey. Bentler means "dams" in Turkish language. Situated 1 km (0.62 mi) from Bahçeköy neighborhood of Sarıyer, it covers an area of 16.3 ha (40 acres). It was established in 2011, and is one of the nine nature parks inside the Belgrad Forest. The protected area is named after the historic dams, the Topuzlu Dam (Topuzlu Bendi, built 1750), Valide Dam (Valide Bendi, built 1796) and New Dam (Yeni Bent or II. Mahmud Bendi, built 1839), which are located north of the park area. There are other structures as the Iskara Bendi and historical fountains from the Ottoman Empire era. Bentler Nature Park has two entrances, the main entrance of Belgrad Forest and Kurtkemeri Gate.The nature park offers outdoor recreation activities such as hiking, cycling and picnicing for visitors on daily basis. There are playgrounds for children. Admission is charged for visitors and vehicles.

The New Dam (Turkish: Yeni Bent), a.k.a. Mahmud II Dam (Turkish: II. Mahmut Bendi), is a historic dam located in Sarıyer district of Istanbul Province, Turkey. The New Dam was built in 1830 by Ottoman Sultan Mahmud II (reigned 1808–1839).The dam is situated next to Valide Dam north of Bahçeköy, Sarıyer inside the Bentler Nature Park, which is part of the Belgrad Forest.The New Dam impounds a tributary of Acıelma Creek and has a catchment area of 0.83 km2 (0.32 sq mi). It is a solid gravity dam constructed in masonry having a circular form. The dam is 15.62 m (51.2 ft) high from the thalweg and 101.55 m (333.2 ft) long at crest. The crest is 6.90 m (22.6 ft) and the base is 9.40 m (30.8 ft) wide. The dam has a reservoir capacity of 217,500 m3 (7,680,000 cu ft).

Kilyos, also Kumköy, is a neighbourhood in the municipality and district of Sarıyer, Istanbul Province, Turkey. Its population is 3,860 (2022). It is also a well-known seaside resort on the Black Sea coast of the European side of Istanbul Province, famous for its beaches.

Koç University (Turkish: Koç Üniversitesi) is a non-profit private university in Istanbul, Turkey. It started education in temporary buildings in İstinye in 1993, and moved to its current Rumelifeneri campus near Sarıyer in 2000. Koç University is ranked highest in Turkey according to the 2022 Times Higher Education World University Rankings and 2022 QS World University Rankings. Koç University currently consists of Colleges of Social Sciences and Humanities, Administrative Sciences and Economics, Science, Engineering, Law, Nursing and Medicine. Koç University offers 22 undergraduate, 29 graduate and 30 PhD programs. The university is home to around 7,000 students. The university accepts international students from various countries and has an extensive network of over 250 partner-universities including University of California and other universities such as Northwestern University, Cornell University and Georgetown University.Founded in 1993, Koç University has become one of the most prestigious universities in Turkey. The university attracts many of the highest-scoring students from Turkey's top high schools such as Koç School, Robert College, Uskudar American Academy and Istanbul High School. The majority of classes (over 95%) at Koç University are taught in English (a few exceptions are found only in the School of Law and School of Nursing).

Yusuf Ziya Öniş Stadium is a multi-purpose stadium in Istanbul, Turkey. It is currently used mostly for association football matches and is the home ground of TFF Second League team Sarıyer S.K. It was announced as the location for the Istanbul Rams, a team in the European League of Football, but was later changed to the Maltepe Hasan Polat Stadium. The stadium was built in 2009 and currently holds 4,100 people.

Mehmet Akif Ersoy Nature Park (Turkish: Mehmet Akif Ersoy Tabiat Parkı) is a nature park located in Istanbul Province, Turkey.

Büyükdere is a neighbourhood in the municipality and district of Sarıyer, Istanbul Province, Turkey. Its population is 8,586 (2022). It is situated on the European shore of the Bosphorus strait about 2 km (1.2 mi) southwest of Sarıyer. Its name means 'big stream' in Turkish, in reference to the river that used to flow into the Bosphorus here. A 14-kilometre-long (8.7 mi) major road, Büyükdere Avenue, starts south of Büyükdere, and runs inland as far as Şişli. In the 19th century Büyükdere, like neighbouring Tarabya, was a popular summer retreat for members of Istanbul's foreign and diplomatic community and it still has several churches and embassy buildings dating back to that period. There was then a Büyükdere ferry terminal but although it has been restored it has not been put back into use (partly because of the road that was built in front of it on reclaimed land), meaning that most access to the neighbourhood is by bus along the coast road.

Bahçeköy or Bahçeköy Merkez is a neighbourhood in the municipality and district of Sarıyer, Istanbul Province, Turkey. Its population is 3,737 (2022).Bahçeköy is situated 8 km (5.0 mi) from Sarıyer. It is bordered by Fatih Forest, Çayırbaşı, Büyükdere, Kemerburgaz, Zekeriyaköy and Gümüşdere. Institutions within its boundaries are Faculty of Forestry, Forestry Administration, Water and Sewerage Authority. A number of historic dams, Belgrad Forest, Bentler Nature Park, Atatürk Arboretum are visitor attractions of Bahçeköy. With annual precipitation around 1,200 millimetres (47 in), Bahçeköy is the wettest place in Istanbul.