Kreva (Belarusian: Крэва, IPA: [ˈkrɛva]; Russian: Крево, romanized: Krevo; Lithuanian: Krėva, Krẽvas; Polish: Krewo) is an agrotown in Smarhon District, Grodno Region, Belarus.

[3] The Kreva Castle, constructed of brick, was built by the Grand Duke of Lithuania Gediminas in ethnically Lithuanian lands.

In 1382, the Grand Duke Kęstutis was imprisoned in Kreva during the Lithuanian Civil War and subsequently murdered on the order by his nephew Jogaila.

The ruins of the castle were severely damaged during World War I, as they were near the front lines.

After the German occupation of the town they were kept imprisoned in a ghetto and used as slave labourers in harsh conditions.