Herrera is a province in Panama. Named after General Tomás Herrera, the province was founded on January 18, 1915 from a division of the Los Santos province. The capital city of Herrera is Chitré, which is located near the province's coastline. Herrera is bordered on the north by the provinces of Veraguas and Coclé, on the south by the province of Los Santos, on the east by Golfo de Parita and the province of Los Santos, and on the west by the province of Veraguas.

Los Santos is a province in Panama, reaching from the La Villa river in the North to the Pacific Ocean in the south and east. It is part of the Azuero Peninsula, bounded by the province of Herrera to the north and northeast, and by Mariato District of Veraguas Province to the West. The City of Las Tablas is the capital and most populous city. There are seven administrative districts under the jurisdiction of Los Santos Province. Los Santos's area is 3,809.4 km ², and its population is 98,466 inhabitants in 2023.