Marmara, Beylikdüzü
Marmara Neighbourhood Steel Doors
Marmara is one of 10 neighbourhoods in Beylikdüzü. Population 31,850 (2025), area 5.59 km², density 5,695 per km². Postcode 34524. Muhtar's office: Hürriyet Bulvarı No:60 /1 MARMARA/BEYLİKDÜZÜ. District population rank 5 of 10. Holds 7.5% of district population. 10 named buildings. Our workshop in İkitelli OSB is 15 km away as the crow flies. Nearest: Yakuplu, 1.8 km. We come to this address to measure.

Steel door manufacture, sales, on-site measurement, installation and service across Istanbul.
Marmara facts and sources
| Fact | Marmara |
|---|---|
| Population | 31,850 (2025), second source agrees [1, 2] |
| Women / men | 16,342 / 15,508 [1] |
| Postcode | 34524 [3] |
| Area | 5.59 km² (calculated) [4] |
| Population density | 5,695 people/km² (calculated) [1, 4] |
| Muhtar's office | Marmara Mahalle Muhtarlığı [5] |
| Office address | Hürriyet Bulvarı No:60 /1 MARMARA/BEYLİKDÜZÜ [5] |
| Coordinates | 40.981355, 28.671890 (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/40893-istanbul-beylikduzu-marmara-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/9397725 (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/9397725; retrieved 2026-11-05 · OpenStreetMap (OSM contributors, ODbL)
Named buildings inside Marmara
10 named buildings
- Beylikdüzü İmam Hatip Lisesischool
- Beylikdüzü Mimar Sinan Çok Programlı Anadolu Lisesischool
- Yakuplu Kemal Arıkan Ortaokuluschool
- İhlas İlkokuluschool
- Marmara Evleri Camisiplace of worship
- Camiplace of worship
- Hacı Mehmet Peker Camiiplace of worship
- Marmara Camiiplace of worship
- Denizistanbul Camiplace of worship
- Ada Hz. Ebubekir Camiiplace of worship
Marmara within Beylikdüzü
- Density against district average
- 0.44x
- Sharing postcode 34524
- Sahil, Yakuplu
Neighbourhoods around Marmara
Straight line between muhtar office buildings, not a shared border.
Carry on from Marmara
Survey, manufacture and installation run with one team across Beylikdüzü.