PT Nusantara Sejahtera Raya Tbk doing business as Cinema 21 or 21 Cineplex is the largest cinema chain in Indonesia, serving 65 cities in the country.

[3] Since its founding, 21 Cineplex has conducted some improvements and innovations, such as forming a cinema network with three separate brands to target different markets, namely Cinema 21, Cinema XXI and The Premiere.

Some cinemas offer Dolby Atmos and IMAX.

[4] The company has been listed on the Indonesia Stock Exchange since 2 August 2023.

[5][6] The Premiere is targeted at audiences who wish for luxurious facilities in a cinema, but it is not available at every branch.