Кафедральний костел Святої Трійці, Catholic church in Old Town, Lutsk, Ukraine

The Trinity Cathedral is a Catholic church in the heart of the Old Town with Renaissance features including two symmetrical towers and a tall interior space. The building was constructed from stone and displays typical characteristics from this period of construction.

In 1425 Grand Duke Vytautas began a wooden cathedral church in Lutsk, completed two years later and made cathedral in 1427 by a bull of Pope Martin V. Bishop Yurii Falchevsky had it rebuilt in stone in Renaissance style by 1545, possibly designed by Lukasz of Presov. A cathedral house 24 m long followed by 1552.

The church no longer exists; its name survives in the Trinity Latin School attached to the cathedral, where the Orthodox writer Ivan Vyshensky studied. The school trained laypeople and lower clergy, and the cathedral also ran a Holy Spirit hospital. The name 'Mother of Churches in Rus' reflects its status as Lutsk's first cathedral.

The cathedral church itself no longer exists, so there is nothing to enter: look for the surviving 16th-century cathedral house at Kafedralna Street 17, now the Roman Catholic diocesan office, and the bell tower facing the Saints Peter and Paul Cathedral. The house is the left wing of the P-shaped Sharitky Monastery, a national architectural monument, inside the Old Lutsk reserve.

The cathedral no longer exists; only two structures survive: the 16th-century cathedral house at Kafedralna Street 17, now the Roman Catholic diocesan office, and a bell tower facing the later Saints Peter and Paul Cathedral. The house forms the left wing of the P-shaped Sharitky Monastery, a national architectural monument.