The vicariate is entrusted to the priests of the Lombardo-Veneto province (Italy) of the Servite Order.
The mother church of the diocese is the Cathedral of Santa Teresita in the city of Puerto Aisén.
Communities comprised in the parish: Sagrado Corazón, El Buen Pastor, El Carmen, Nuestra Señora de Guadalupe, Catedral, Jesús Nazareno, Puerto Chacabuco.
Comunidades Rurales: El Salto, Los Torreones, El Balseo, Villa Mañihuales, Alto Mañihuales Communities comprised in the parish: Urban: Co-catedral, Maria Inmaculada, Santuario Del Carmen, Sagrada Familia, San José, Cristo Obrero, Siete Santos Fundadores, Santos Juan Y Pablo, Santuario Jesús Nazareno, Santa Teresita de los Andes.
Rural: Balmaceda, El Blanco, Puerto Ibáñez, Levican, Cerro Castillo, Lago Pollux, Valle Simpson, Villa Frei, Seis Lagunas, Lago Atravesado, Alto Baguales, Villa Ortega, El Gato, Ñirehuao Communities comprised in the parish: Chile Chico, Fachinal, Mallin Grande, Puerto Guadal, Puerto Bertrand, Río Tranquilo, Bahía Murta, Puerto Sánchez.