Blangkejeren is a small town and an administrative district (kecamatan) in Aceh Province of Indonesia. The town is the seat (capital) of Gayo Lues Regency. The district has an area of 166.06 km2 (64.12 sq mi) with a population of 32,164 people as of mid-2024, giving a population density of 193.7 per square kilometre (502/sq mi). The town (gampong), Kota Blaenkejeren, is located within the district, and covers an area of 0.42 km2 with a population of 2,368 as at mid 2023, although adjoining gampong such as Kuta Lintang and Kampung Jawa form part of a common built-up area.