The Patriarch Monastery "St. Trinity "is situated 6km north of Veliko Tarnovo, where there are caves in the rocks, which are adapted for the cellars and chapels in the Middle Ages. by the epitaph Georgi and his son Kalin, but it is more likely to be built by Patriarch Evtimii with the help of Tsar Ivan Shishman, from where comes the name Patriarchy or Shishmanov Monastery.