Holy Trinity church in Bielaja Carkva, Eastern Orthodox church in Bielaja Carkva, Belarus.

The Holy Trinity Church in Bielaja Carkva is a ruined single-nave stone church with a massive three-tiered bell tower topped by a flat dome with four dormers. Its walls, up to 1.7–2 m thick, are reinforced by buttresses and pierced by narrow arched windows; the two central buttresses form a large portal with a receding arch. The semicircular apse has not survived.

A wooden church founded by Bohdan Sapieha stood here before a stone Trinity church was built in 1599 at the Basilian monastery; other sources credit Chancellor Lev Sapieha with founding the monastery and church together. Lev Sapieha's parents were buried in the church crypt, and in 1640 Kazimir Lev Sapieha brought a copy of the Mother of God "Znamenie" icon from Ruzhany. The monastery was dissolved in 1834, and the church was destroyed in the 1930s; only ruins remain.

The village and the monastery took their name from the white walls of the church, which gave the monastery its Belotserkovsky name. A copy of the Mother of God "Znamenie" icon was brought here in 1640 from Ruzhany by Kazimir Lev Sapieha, son of the chancellor. The church has not held services since the 1930s, when it was destroyed and left in ruins.

The church is a ruin, not an active parish: only walls and the bell tower survive, and the altar apse is gone. It stands on the eastern edge of the village on a cape above Lake Chareyskaye (Beloye). The walls are 1.7–2 m thick, with a stair inside the tower masonry; access is uneven, so watch your footing.

The walls of the bell tower reach 1.75–2 m thick and hold an internal staircase, while narrow arched openings resemble loopholes; these features point to a defensive role. The church is ruined and was destroyed in the 1930s, so only the walls survive.