[3] It was released by Music Box Films in the United States on July 28, 2023.

[4][5] For her work, Gladstone won the Gotham Independent Film Award for Outstanding Lead Performance.

[6] A grieving woman embarks on a road trip through the American Midwest after receiving an unexpected invitation to reunite with her estranged Oglala Lakota family.

The website's consensus reads: "Lily Gladstone's outstanding performances powers The Unknown Country through some narrative drift to its ultimately profound destination.

"[7] Metacritic, which uses a weighted average, assigned the film a score of 82 out of 100, based on 14 critics, indicating "universal acclaim".