Kaynarca, Beykoz
Kaynarca Neighbourhood Steel Doors
Kaynarca is one of 45 neighbourhoods in Beykoz. Population 772 (2025), area 5.55 km², density 139 per km². Postcode 34829. Muhtar's office: Yüzyıl Cad. No:14 C KAYNARCA/BEYKOZ. District population rank 38 of 45. Holds 0.3% of district population. 1 named buildings. Our workshop in İkitelli OSB is 32 km away as the crow flies. Nearest: Alibahadır, 3.7 km. We come to this address to measure.

Steel door manufacture, sales, on-site measurement, installation and service across Istanbul.
Kaynarca facts and sources
| Fact | Kaynarca |
|---|---|
| Population | 772 (2025), second source agrees [1, 2] |
| Women / men | 378 / 394 [1] |
| Postcode | 34829 [3] |
| Area | 5.55 km² (calculated) [4] |
| Population density | 139 people/km² (calculated) [1, 4] |
| Muhtar's office | Kaynarca Mahalle Muhtarlığı [5] |
| Office address | Yüzyıl Cad. No:14 C KAYNARCA/BEYKOZ [5] |
| Coordinates | 41.180145, 29.158523 (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/191715-istanbul-beykoz-kaynarca-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/9488961 (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/9488961; retrieved 2026-11-05 · OpenStreetMap (OSM contributors, ODbL)
Named buildings inside Kaynarca
1 named buildings
- Kaynarca Köyü Parkıpark
Kaynarca within Beykoz
- Density against district average
- 0.05x
- Sharing postcode 34829
- 14 neighbourhoods
Neighbourhoods around Kaynarca
Straight line between muhtar office buildings, not a shared border.
Carry on from Kaynarca
Survey, manufacture and installation run with one team across Beykoz.