Ortabayır, Kağıthane
Ortabayır Neighbourhood Steel Doors
Ortabayır is one of 19 neighbourhoods in Kağıthane. Population 21,968 (2025), area 0.38 km², density 58,426 per km². Postcode 34413. Muhtar's office: Santral Cad. No:16 ORTABAYIR/KAĞITHANE. District population rank 10 of 19. Holds 4.9% of district population. 8 named buildings. Our workshop in İkitelli OSB is 17 km away as the crow flies. Nearest: Telsizler, 0.55 km. We come to this address to measure.
Steel door manufacture, sales, on-site measurement, installation and service across Istanbul.
Ortabayır facts and sources
| Fact | Ortabayır |
|---|---|
| Population | 21,968 (2025), second source agrees [1, 2] |
| Women / men | 11,261 / 10,707 [1] |
| Postcode | 34413 [3] |
| Area | 0.38 km² (calculated) [4] |
| Population density | 58,426 people/km² (calculated) [1, 4] |
| Muhtar's office | Ortabayır Mahalle Muhtarlığı [5] |
| Office address | Santral Cad. No:16 ORTABAYIR/KAĞITHANE [5] |
| Coordinates | 41.077354, 29.003404 (office building) [5] |
Sources (6), checked 5 November 2026
- [1] dataset version 2025, updated 2026-05-21; primary source TÜİK MEDAS (biruni.tuik.gov.tr/medas) · api.turkiyeapi.dev/v2/neighborhoods?provinceId=34
- [2] derived from TÜİK ADNKS 2025 data (retrieved 2026-11-05) · https://www.nufusune.com/40546-istanbul-kagithane-ortabayir-mahallesi-nufusu
- [3] postcode source PTT Kargo (ptt.gov.tr/posta-kodu), dataset version 2025, updated 2026-05-21 · api.turkiyeapi.dev/v2/neighborhoods?provinceId=34
- [4] openstreetmap.org/relation/9363127 (OSM contributors, ODbL; retrieved 2026-11-05) · nominatim.openstreetmap.org
- [5] İBB Open Data Portal, "Muhtarlık Adres Bilgileri" (GeoJSON, dataset updated: 2025-06-05) · data.ibb.gov.tr
- [6] Overpass API, named buildings inside relation/9363127; retrieved 2026-11-05 · OpenStreetMap (OSM contributors, ODbL)
Named buildings inside Ortabayır
8 named buildings
- Ortabayır Mahalle Muhtarlığıpublic institution
- Nef Okuluschool
- Ortabayır Merkez Camiiplace of worship
- Mescid-İ Aksa Camiiplace of worship
- Şehit Polis Hasan Koçer Parkıpark
- Yıldız Parkıpark
- Gülsu Parkıpark
- Caylan Parkıpark
Ortabayır within Kağıthane
- Density against district average
- 1.41x
- Sharing postcode 34413
- Çeliktepe
Neighbourhoods around Ortabayır
Straight line between muhtar office buildings, not a shared border.
Carry on from Ortabayır
Survey, manufacture and installation run with one team across Kağıthane.