The Church of St. Nicholas, located in the historic centre of Yessentuki is one of the attractions of the city. Arose the Church since the Foundation of the Cossack villages. The construction of a wooden Church was started in the summer of 1825, and completed in the autumn of 1826, the authors of the project of the Church building were made by famous Italian architects of the time - brothers Bernardazzi. The Church was built by local people-Cossacks.

The Church of St. Nicholas - steepled Church, in the shape of a cross. The solemn consecration of the Church took place in the autumn of 1826 In around 1827 St Nicholas Church was built a stone wall with loopholes, which makes the area around the Church a kind of military fortification where the enemy hits you could find protection for the residents of the village. Fenced area could accommodate all the residents from their house belongings and cattle. In addition, in the churchyard gun was located, about any danger notify bell ringing. In 1837 the guns that were in the churchyard, saluted in honor of the arrival of Bishop Jeremiah and the Emperor Nicholas I.

At the end of XIX century in connection with the growth of the village and resort of the Church of St. Nicholas was rebuilt. Plank roof was replaced with iron, increased the number of bells to seven. Inside the temple was a large chandelier of the old iconostasis was replaced with a new, and above the throne erected a wooden tent.

Old St. Nicholas Church in Essentuki is a monument of Cossack valor and glory, as evidenced by four marble plaques with the names of Cossacks, who died, and distinguished himself during the Russo-Turkish (1877-1878) and the Russo-Japanese (1904-1905) wars.

At the Church of St. Nicholas there was a poorhouse, a parochial custody, parochial school, library, and a library. Buildings in which all of this was housed, preserved until today.