Beycuma is a belde (town) in the central district of Zonguldak Province, Turkey. It is situated at 41°20′N 31°58′E / 41.333°N 31.967°E in the mountainous area at the south of Zonguldak. The distance to state highway D.750 is 7 kilometres (4.3 mi) and to Zonguldak is 29 kilometres (18 mi).The population of Beycuma is 2425 as of 2010. Beycuma a former village was declared a seat of township in 1994. Main agricultural products are cereals and corn.