The Bophana Center is a non-profit place that collects archives and provides film screenings and exhibitions. I visited several times during the 2017 March International Film Festival. In addition to the movie screening scene, the bophana center also provides some mobile screenings. Cambodian and local audiences are welcome to visit free film screenings and art exhibitions. The location is a walk in the French Academy (Institut Francais du company), I recommend a place to visit on the same day.
This is a very famous attraction. There are free film screenings and art exhibitions. There is also a library and resource center for those who wish to learn about the cultural history of this country, from music to film and TV documentaries.
On many Friday nights there are wonderful movies shown and they are free. You need to get to Bophana early as the seats in the small theatre fill up quickly.