Guayas is a coastal province in Ecuador. It is bordered to the west by Manabi', Santa Elena, and the Pacific Ocean (as the Gulf of Guayaquil); to the east by Los Ri'os, Boli'var, Chimborazo, Can~ar, and Azuay; to the north by Los Ri'os and Boli'var; and to the south by El Oro and the Pacific Ocean.