[canton] Carrillo is the fifth canton in the province of Guanacaste in Costa Rica. The canton covers an area of 577.54 km², and has a population of 29,298. Its capital city is Filadelfia. The name of the canton is in honor of former head of state Braulio Carrillo Colina. The canton is shaped like a boot, with the Pacific Ocean at the top. ... Found on http://en.wikipedia.org/wiki/Carrillo_(canton)