Costa Rica | San José, Costa Rica | Costa Mesa, California | Gal Costa | Costa Rica national football team | Costa Coffee | Cartago, Costa Rica | Liberia, Costa Rica | University of Costa Rica | Rui Costa | Costa Volpino | Santa Ana, Costa Rica | Costa Mesa | Costa-Gavras | Costa Brava | Costa Chica | Costa Blanca | Anthony Costa | United World College of Costa Rica | San Ramón, Costa Rica | Ricardo Costa | Paul Costa Jr | Costa Maya | Club de Futbol Universidad de Costa Rica | West Contra Costa Unified School District | Ricardo Costa (filmmaker) | Pinto da Costa | Pedro Costa | Paraíso, Costa Rica | José Eduardo Pinto da Costa |
Specifically it is spoken in the Brazilian state of Rondônia, in Costa Marques and around the headwaters of the Rio São Miguel tributary of the right bank of the Guaporé.