Betlitsa is a rural locality situated in Russia. It serves as the administrative center of the Kuybyshevsky District within the Kaluga Oblast.
According to census data, the population of Betlitsa has remained relatively stable over several decades. The 2021 census recorded a population of 3,959 residents, following figures of 3,868 in 2002, 3,589 in 2010, and 3,911 during the 1989 Soviet census.