Gülsuyu, Maltepe
Gülsuyu Neighbourhood Steel Doors
Gülsuyu is one of 18 neighbourhoods in Maltepe. Population 14,593 (2025), area 0.91 km², density 16,089 per km². Postcode 34848. Muhtar's office: Martılar Çıkmazı No:17 GÜLSUYU/MALTEPE. District population rank 15 of 18. Holds 2.8% of district population. 8 named buildings. Our workshop in İkitelli OSB is 33 km away as the crow flies. Nearest: Zümrütevler, 0.71 km. We come to this address to measure.
Steel door manufacture, sales, on-site measurement, installation and service across Istanbul.
Gülsuyu facts and sources
| Fact | Gülsuyu |
|---|---|
| Population | 14,593 (2025), second source agrees [1, 2] |
| Women / men | 7,274 / 7,319 [1] |
| Postcode | 34848 [3] |
| Area | 0.91 km² (calculated) [4] |
| Population density | 16,089 people/km² (calculated) [1, 4] |
| Muhtar's office | Gülsuyu Mahalle Muhtarlığı [5] |
| Office address | Martılar Çıkmazı No:17 GÜLSUYU/MALTEPE [5] |
| Coordinates | 40.928701, 29.155068 (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/40621-istanbul-maltepe-gulsuyu-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/9445549 (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/9445549; retrieved 2026-11-05 · OpenStreetMap (OSM contributors, ODbL)
Named buildings inside Gülsuyu
8 named buildings
- İBB Muzaffer İzgü Kütüphanesilibrary
- Gülsuyu İmam Hatip Ortaokuluschool
- Maltepe Cemevischool
- Cengiz Topel Camiiplace of worship
- Fatma Çelebi Camiiplace of worship
- Gül Camiiplace of worship
- Gülsuyu Aile Sağlığı Merkeziclinic / health centre
- İstanbul Üniversitesi Devlet Konservatuarıcollege
Gülsuyu within Maltepe
- Density against district average
- 0.80x
- Sharing postcode 34848
- Esenkent, Gülensu
Neighbourhoods around Gülsuyu
Straight line between muhtar office buildings, not a shared border.
Carry on from Gülsuyu
Survey, manufacture and installation run with one team across Maltepe.