Alaca is a village in Borçka District, in Artvin Province, Türkiye. Alaca lies at 491 m above sea level, in the Karçal Dağları mountains. It has 500 inhabitants. The nearest city is Artvin, 19.7 km to the southeast. Near the border: Georgia, 11 km. Among the landmarks around are Gonio (29 km), Borçka Dam (4.8 km) and Batumi Synagogue (34 km). Among the natural features are Otingo Çermiği (9.3 km).