Serdang Bedagai Regency is a regency in the Eastern shores of North Sumatra

North Sumatra

North Sumatra is a province of Indonesia on the Sumatra island. Its capital is Medan. It is the most populous Indonesian province outside of Java. It is slightly larger than Sri Lanka in area.- Geography and population :...

 facing Malaysia, with 95 km of coastline and covering an area of 1900 square kilometres, divided into 11 districts and 237 villages and 6 subdistricts Its seat is Sei Rempah

Sei Rempah

Sei Rempah is a town in North Sumatra province of Indonesia and it is the seat of Serdang Bedagai Regency....

. The regency surrounds chartered city Tebing Tinggi

Tebing Tinggi

Tebing Tinggi Deli or more commonly simply Tebing Tinggi is a chartered city near the eastern coast of North Sumatra, Indonesia. It has an area of 31 km² and a population of about 135,000 people. In the 1990 census, its population was 116,767, 2000 National Census, 125,211, and 2005...

, and also has a district (kecamatan) by the same name. The name “Serdang Bedagai” was derived from two Sultanates which have ever governed in the Region; they were Serdang Sultanate and Padang Bedagai Sultanates. The population in an official intercensal estimate

Intercensal estimate

Intercensal estimate in the field of demographics is an estimate of population between official census dates. Some nations produce regular intercensal estimates while others do not...

 in 2007 was 618,656 people.

Location

To the north is the Malacca Straits, west Deli Serdang Regency containing Medan

Medan

- Demography :The city is Indonesia's fourth most populous after Jakarta, Surabaya, and Bandung, and Indonesia's largest city outside of Java island. Much of the population lies outside its city limits, especially in Deli Serdang....

, to the south and southeast Simalungun Regency

Simalungun Regency

Simalungun Regency is a regency in North Sumatra. Its seat is Raya. In 2000, the regency covered an area of 4369 square kilometres and according to the 2000 census it had a population of 855,591.The official Intercensal estimate for 2007 shows a population of 846,329...

, and the east Buaya River and Ular River bordering Batubara Regency

Batubara Regency

Batubara Regency is a regency on North Sumatra's eastern shoreline with Limapuluh as its seat, carved out in 2006 from the Asahan Regency, inaugurated at June 15, 2007.- Administrative divisions :...

, formed in 2006 from the Asahan Regency

Asahan Regency

Asahan Regency is a regency in North Sumatra. The regency covers an area of 4,581 square kilometres and according to the 2000 census had a population of 935,233 people. Its seat is Kisaran...

.