Binjai formally Kota Binjai is an independent city in the North Sumatra province of Indonesia, and is surrounded by but not part of the Deli Serdang Regency. Binjai is connected to Medan (the provincial capital), about 22 km, by the Sumatra highway that goes to Banda Aceh, and effectively forms a part of Greater Medan. The "Kota" population was 181,904 in the 1990 Census, 224,516 in the 2000 Census, and 246,010 in 2010 Census.