Gümüşçay (former Güvercinli) is a town (belde) in the Biga District, Çanakkale Province, Turkey.[2] Its population is 2,123 (2021).[1] It is situated in the Anatolian portion of the province 10 kilometres (6.2 mi) south of Marmara Sea coast. The distance to Biga is 6 kilometres (3.7 mi). The settlement was an Ottoman district center named Güvercinli. The mosque of Gümüşçay, the Nasuh Çelebi mosque was built during the reign of Mahmut I (1730-1754). The settlement was declared a seat of township in 1949. The main economic sector of the town is agriculture.[3]