Serdang Bedagai Regency
| Serdang Bedagai Regency  Kabupaten Serdang Bedagai | |
|---|---|
| Other transcription(s) | |
| • Jawi | سردڠ بيداڬاي | 
| Motto(s): Tanah Bertuah Negeri Beradat (The Lucky Land of the Indigenous Land) | |
| Country | Indonesia | 
| Province | North Sumatra | 
| Regency seat | Sei Rampah | 
| Government | |
| • Regent | Darma Wijaya | 
| • Vice Regent | Adlin Umar Yusri Tambunan | 
| • Chairman of Council of Representatives | Riski Ramadhan Hasibuan (Gerindra) (Acting) | 
| • Vice Chairman of Council of Representatives | Siswanto (Nasdem) (Acting) | 
| Area | |
|  • Total | 1,900.22 km2 (733.68 sq mi) | 
| Population  (mid 2024 estimate) | |
|  • Total | 691,638 | 
| • Density | 360/km2 (940/sq mi) | 
| Time zone | UTC+7 (WIB) | 
| Website | www | 
Serdang Bedagai Regency is a regency on the east coast of North Sumatra Province of Indonesia, facing Malaysia, with 95 km of coastline and covering an area of 1,900.22 square kilometres, divided into seventeen districts (kecamatan), in turn subdivided into 243 villages. Its administrative centre is the town of Sei Rampah. The regency surrounds the independent city of Tebing Tinggi, and also contains a district (kecamatan) by the same name (Tebing Tinggi District surrounds the city on its west side, while Tebing Syahbandar District surrounds the city on its east side). The name “Serdang Bedagai” was derived from the two Sultanates which formerly existed in the Region; they were Serdang Sultanate and Padang Bedagai Sultanate. The population was 592,922 at the 2010 Census, while the 2020 Census produced a total of 657,490; the official estimate as at mid 2024 was 691,638 (comprising 348,200 males and 343,438 females).