Bilopillia (Ukrainian: Білопілля; Russian: Белополье, translit.: Belopol`ye) is a city and the administrative center of the Bilopillia Raion in Sumy Oblast of northeastern Ukraine. It is located at around 51°8′54″N 34°18′3″E / 51.14833°N 34.30083°E / 51.14833; 34.30083, close to Kursk Oblast of Russia. The population is 18,384 (2001).