സെന്റ്. John ' s Church is the second most notable architectural feature in Cesis (second only to the മിഡീവൽ കാസിൽ) and one of the oldest മധ്യകാല monuments in ലാറ്റ്വിയ, as well as being one of the oldest കൾട്ട് buildings in the country. The church was built at the beginning of the 13th century as ക്രിസ്തുമതം advanced into the Baltic, to serve the needs of the Livonian Order. കാരണം Cesis was the residence of the Order, Cesis then became one of the most important സെന്ററുകൾ in the Baltic States.