Собор Успіння Пресвятої Богородиці, also known as the Cathedral of the Assumption of the Blessed Virgin Mary, is a significant religious building located in Lviv, Ukraine. It is an important example of Ukrainian Baroque architecture and serves as a prominent landmark in the city. The cathedral was originally built in the 14th century and has undergone several renovations over the years. The cathedral is part of the Lviv Historic Centre, a UNESCO World Heritage Site. It features stunning frescoes, intricate woodwork, and beautiful altars, attracting both pilgrims and tourists. The cathedral is dedicated to the Assumption of the Virgin Mary, a key event in Christian tradition.