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. 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 2023 was 261,969.

Acehnese or Achinese is an Austronesian language natively spoken by the Acehnese people in Aceh, Sumatra, Indonesia. This language is also spoken by Acehnese descendants in some parts of Malaysia like Yan, in Kedah. Acehnese is used as the co-official language in the province of Aceh, Indonesia. Besides Indonesian used as the official language.