Idritsa is an urban locality situated in the Sebezhsky District of Pskov Oblast, Russia. It is positioned along the Idritsa River, which serves as a left tributary of the Velikaya River.
Municipally, the town is incorporated as the Idritsa Urban Settlement, one of three urban settlements within the district. According to census data, the population was 4,988 in 2010, following figures of 5,784 in 2002 and 5,485 during the 1989 Soviet census.