The nave is divided by four pillars - two on the south side and two on the north - into three sections: a wide central part and two narrow side-aisles.
Holy Trinity Monastery is the richest treasury of the cultural and spiritual life of the Orthodox Serbs from the Middle Ages to the present times.
During a period of time in the history, traditional costumes displayed in the ethnological department of the Heritage Museum Pljevlja were carefully preserved in the monastery.
The differing traditions are skilfully harmonized and this can be classed among the finest products of sixteenth century Serbian goldsmith's work, because of its precise craftmanship and subtle proportions.
The accounts given by Rudolf Hilferding and Sava Kosanovic show that the nave and the sanctuary were decorated in 1595 by Father Strahinja of Budmilje.
One of them represents the Nativity, dated to the 1570s and attributed to the prominent Serbian icon painter Zograf Longin of Peć, who also painted frescoes at Visoki Dečani.