Algeria–Holy See relations
Although Islam is the state religion of Algeria, the Holy See has maintained a comparatively good relationship with the Algerian authorities, with Léon-Étienne Duval being famously recognized as the "bishop of Muslims" after the departure of French colonists.
Blasphemy law in Algeria
Despite the provisions of the Constitution, Algeria severely restricts what anyone can say or what anyone can do as a religious practice. The penal code forbids anyone from insulting, or inciting hatred against, anyone who belongs to an ethnic or philosophical group or to a religion. Freedom of speech must be exercised with respect for "individual dignity, the imperatives of foreign policy, and the national defense."