The founding charter of the monastery has not been preserved. The Manasija Monastery, also known as Resava, was built two kilometres northwest from the town of Despotovac, in the picturesque ravine. Construction of the monumental mausoleum and the fortified town lasted about a decade, with breaks. During this period, a church, large refectory, lodgings, adjacent buildings, towers and walls, fortifications with protective walls and trenches were constructed. on the left-hand wall in monastery church to the Holy Trinity. Monastery founder Despot Stefan built Manasija to serve as his mausoleum; in its grandeur, his resting place surpassed everything ever built in the Pomoravlje. The monumental and imposing Church of Manasija, together with the contemporary monuments, bear witness to the last great artistic achievement of Morava's Serbia. The refectory was built parallel to the church, and is one of the largest known structures in medieval Serbia, which was completely covered in frescoes. The monastery compound was encircled and protected by strong walls with eleven towers and trenches. The monastery complex consists of:
The church to the Holy Trinity
The refectory, placed to the south of the church
The fortress with 11 towers, the largest of which is the keep, also known as the Despot's Tower
The Church of Manasija Monastery was consecrated on the Feast of Pentecost /Whitsun/ in 1418, after about 2,000 square metres of frescoes had been painted. Only a quarter of the paintings survived, but even these are among the most beautiful in the outstandingly rich treasure of old Serbian painting. History records that Despot Stefan invested great effort in finding the "most honoured and skillful workers, the most experienced icon painters". During the five centuries of Ottoman presence, the monastery was abandoned and wrecked several times. The lead roof was removed from the church, and so for over a century the frescoes inside were subject to damage by rainfall. As a result, about two-thirds of them were irremediably lost. In the 18th century, the western part of the church - the narthex - was heavily damaged in an explosion and was later rebuilt. The mosaic floor of that part of the church was preserved. Architecturally, the church belongs to the Morava school. The ground plan is in the form of a floral inscribed cross, combined with a trefoil. The twelve-sided dome above the central space rests on four free-standing pillars. At the eastern end, there are one large and two small apses, whereas two large choir conches flank the altar. Above the corners of the church, there are four little octagonal domes. The narthex consists of nine bays. Above the central bay, there is yet another dome that rests on four pillars. The church was built on ashlars and thin mortar beds. The facade decoration includes low pilasters, engaged colonettes on the conches and apses, as well as a frieze of small blind arcades on brackets running below the roof cornice. On the inside, the original floor has been preserved in the narthex, made of marble tiles in various colours. Nearly half of the frescoes have been destroyed. Despot Stefan is portrayed with the church model on the left-hand wall. The lower register of the north choir depicts warrior-saints in armour with swords and lances, as an authentic representation of contemporaneous soldiers. The vault above the main door contains a picture of the Souls of the Righteous held by the Divine hand. On the left and right, the prophets David and Solomon are portrayed respectively. There are also 24 portraits of the Old Testament prophets and patriarchs in the spacious dome. Two compositions cover the whole first and second registers in the altar: the first represents the Adoration of the Lamb, the other the Communion of Apostles. The Monastery fortress, made up to defend the monastery, consists of 11 towers linked with huge walls and once, with trenches. The towers are mostly rectangular, save for two hexagonal ones and one square-shaped. An archaeological team from the UK led by Marin Brmbolić located the remains of a person whom some claim to be Despot Stefan Lazarević in the southwestern part of the monastery floor. DNA comparison with the remains of his father, Knez Lazar, confirmed that the remains belong to two closely related individuals. However, there is no doubt that Stefan's brother Vuk was buried in Manasija and the remains could as well easily be his. The Serbian Orthodox Church has already officially proclaimed the remains in the Koporin Monastery, a smaller legacy of his, as those of Despot Stefan.
