Subaşı, Çatalca
Subaşı Neighbourhood Steel Doors
Subaşı is one of 39 neighbourhoods in Çatalca. Population 1,569 (2025), area 18.8 km², density 83 per km². Postcode 34540. Muhtar's office: Gökçeali Cad. No:337 H SUBAŞI/ÇATALCA. District population rank 11 of 39. Holds 1.9% of district population. 5 named buildings. Our workshop in İkitelli OSB is 34 km away as the crow flies. Nearest: Oklalı, 1.7 km. We come to this address to measure.
Steel door manufacture, sales, on-site measurement, installation and service across Istanbul.
Subaşı facts and sources
| Fact | Subaşı |
|---|---|
| Population | 1,569 (2025), second source agrees [1, 2] |
| Women / men | 757 / 812 [1] |
| Postcode | 34540 [3] |
| Area | 18.8 km² (calculated) [4] |
| Population density | 83 people/km² (calculated) [1, 4] |
| Muhtar's office | Subaşı Mahalle Muhtarlığı [5] |
| Office address | Gökçeali Cad. No:337 H SUBAŞI/ÇATALCA [5] |
| Coordinates | 41.222053, 28.455024 (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/191815-istanbul-catalca-subasi-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/9533502 (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/9533502; retrieved 2026-11-05 · OpenStreetMap (OSM contributors, ODbL)
Named buildings inside Subaşı
5 named buildings
- Subaşı İlkokulu - Subaşı Ortaokuluschool
- Çevre Bilim Kolejischool
- Hacı Cahit Camii 1996place of worship
- Subaşı Camiiplace of worship
- Subaşı Aile Sağlığı Merkeziclinic / health centre
Subaşı within Çatalca
- Density against district average
- 0.77x
- Sharing postcode 34540
- 38 neighbourhoods
Neighbourhoods around Subaşı
Straight line between muhtar office buildings, not a shared border.
Carry on from Subaşı
Survey, manufacture and installation run with one team across Çatalca.