Monastery treasury is a unique structure that has been skillfully fine-tuned with the Monastery’s architecture. The inner and outer walls have been built with two types of Herzegovinian stone. The ceiling design follows the pattern of Roman arches. The roof of the room is a green roof covered with grass and, at the same time, a lawn in front of the Monastery church. It provides for favourable micro-climate, good insulation and efficient energy consumption.