Seymen, Silivri
Seymen Neighbourhood Steel Doors
Seymen is one of 35 neighbourhoods in Silivri. Population 1,049 (2025), area 50.39 km², density 21 per km². Postcode 34582. Muhtar's office: Gazi Yiğit Cad. No:36 C SEYMEN/SİLİVRİ. District population rank 28 of 35. Holds 0.4% of district population. 5 named buildings. Our workshop in İkitelli OSB is 54 km away as the crow flies. Nearest: Büyük Kılıçlı, 1.8 km. We come to this address to measure.

Steel door manufacture, sales, on-site measurement, installation and service across Istanbul.
Seymen facts and sources
| Fact | Seymen |
|---|---|
| Population | 1,049 (2025), second source agrees [1, 2] |
| Women / men | 506 / 543 [1] |
| Postcode | 34582 [3] |
| Area | 50.39 km² (calculated) [4] |
| Population density | 21 people/km² (calculated) [1, 4] |
| Muhtar's office | Seymen Mahalle Muhtarlığı [5] |
| Office address | Gazi Yiğit Cad. No:36 C SEYMEN/SİLİVRİ [5] |
| Coordinates | 41.156483, 28.170463 (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/191841-istanbul-silivri-seymen-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/9682647 (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/9682647; retrieved 2026-11-05 · OpenStreetMap (OSM contributors, ODbL)
Named buildings inside Seymen
5 named buildings
- Seymen Muhtarlığıpublic institution
- Seymen Tümülüsühistoric building
- Abdullah Bilgingüllüoğlu Mesleki Özel Eğtim Merkezischool
- Seymen Eski Camiiplace of worship
- Seymen Parkıpark
Seymen within Silivri
- Density against district average
- 0.01x
- Sharing postcode 34582
- 7 neighbourhoods
Neighbourhoods around Seymen
Straight line between muhtar office buildings, not a shared border.
Carry on from Seymen
Survey, manufacture and installation run with one team across Silivri.