Aserrí is a district of the Aserrí canton, in the San José province of Costa Rica. Aserrí takes its name from a Huetar tribe, also called the Accerr…Aserrí is a district of the Aserrí canton, in the San José province of Costa Rica. Aserrí takes its name from a Huetar tribe, also called the Accerri. Aserrí has an area of 15.25 km² and an elevation of 1,308 metres.