Gümüşçay (former ) is a town (belde) in the Biga District, Çanakkale Province, Turkey.Belde Belediyesi, Turkey Civil Administration Departments Inventory. Retrieved 1 March 2023. Its population is 2,123 (2021). It is situated in the Anatolian portion of the province south of Marmara Sea coast. The distance to Biga is . 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.

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