Edouard Daniel's piece aims to capture the essence of Northern African landscapes through romantic harmonies. It is a quintessential example of French salon music interested in the 'exotic' themes of the era.
Developing a rich, full sound while managing complex harmonic changes in the left hand is the primary goal.
Comparable difficulty and character — good candidates for what to learn next.
Algérie is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Algérie lasts about 3 minutes.
Algérie is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Brigg Fair by Percy Grainger, Balada de Mallorca by Manuel de Falla, Berceuse - Cradle Song by Armas Järnefelt — see the full similar-pieces list on this page.