RTL Deutschlands-Hitradio is a popular commercial radio station based in Berlin, Germany. It is part of the RTL Group and originated from the German language service of Radio Luxembourg. The station began broadcasting in 1957 and has since become one of the most listened-to radio programs in Berlin and Brandenburg.

RTL Deutschlands-Hitradio broadcasts a hot adult contemporary format, featuring the latest hits and chart music. Its programming includes a mix of music, news, entertainment, and talk shows. The station's most popular program is the morning show "Arno and the Morning Crew," which combines comedic content with music and current affairs.

In recent years, RTL Deutschlands-Hitradio has expanded its reach through various platforms, including FM, digital radio (DAB+), cable, satellite, and online streaming. The station is known for organizing large-scale events, such as the annual "Stars for Free" open-air festival in Berlin's Wuhlheide.

With its blend of contemporary hits, engaging content, and strong local presence, RTL Deutschlands-Hitradio continues to be a leading voice in Berlin's competitive radio landscape.