Banda Aceh is the capital and largest city in the province of Aceh, Indonesia. It is located on the island of Sumatra and has an elevation of 35 meters (115 feet). The city covers an area of 61.36 square kilometers (23.69 sq mi) and had a population of 223,446 people at the 2010 Census, rising to 252,899 at the 2020 Census. The official estimate as at mid 2021 was 255,029.Banda Aceh is located on the northwestern tip of Indonesia at the mouth of the Aceh River. Banda Aceh itself is a semi-enclave within Aceh Besar Regency, as Banda Aceh is surrounded by Aceh Besar to the south, east, and west, while it borders with the Strait of Malacca to the north.
The city was originally established as Bandar Aceh Darussalam Kandang and served as a capital and hub for the Sultanate of Aceh upon its foundation in the late 15th century. Later its name was changed to Bandar Aceh Darussalam, and then it became popularly known as Banda Aceh.