Copacabana starts at Av. Princesa Isabel and ends at Posto Seis nearby the Forte de Copacabana. After the beach of Copacabana there is the small beach in Arpoador and the famous Ipanema beach.
Copacabana spans Posto Dois - Posto Seis, Leme is at Posto Um. (And Leme is NOT part of Copacabana !)