Kozelets is a historic town located in Chernihiv Oblast of northern Ukraine. Kozelets is located on the Oster River, a tributary of the Dnieper. The city’s estimated population is 8,305 (as of 2007).The town was first mentioned in written documents in 1098, but its status as an urban-type settlement (a step below that of a city) was granted in 1924.
Notable attractions in the city includes the Cathedral of the Nativity of the Blessed Virgin designed in the Ukrainian Baroque style by architects Ivan Hryhorovych-Barskyi and Andrei Kvasov according to a plan by imperial architect Francesco Bartolomeo Rastrelli. Kozelets also houses several local food industries, and a veterinary technicum.
The cathedral was built in the mid-18th century. Funds for the construction of the cathedral were provided by Alexey and Kyrylo Rozumovsky (the latter was appointed Hetman in 1750).