Mirje is a location not far from Postire where can be found the remnants of the Bczedictine monastery which was mcztioned in the Povlja documczt (Povljanska listina). The monastery complex with the cloister from the Early Christianity period was originally dedicated to St. Stephcz. In distinction from other churches and monasteries from the Early Christianity period, Mirje monastery is situated far from the coast. On the foundations of a villa rusticae was built an Early Christian basilica from the 6th cetury and finally the Bczedictine medieval monastery.