Which gallery known for Impressionist works reopened in 2021?

The Courtauld Gallery is recognized for its impressive collection of Impressionist works, including notable pieces by artists such as Monet and Van Gogh. Its reopening in 2021 followed a significant renovation that enhanced both the exhibition spaces and the visitor experience. This gallery is especially famous for its unique focus on 19th and 20th-century European art, particularly the Impressionist and Post-Impressionist movements, making it a key destination for art enthusiasts interested in these genres.

In contrast, while the Tate Modern, National Gallery, and Victoria and Albert Museum maintain extensive and diverse collections, they either did not reopen specifically for Impressionist art in 2021 or are not exclusively dedicated to that genre, thus making the Courtauld Gallery the correct answer in this context.