Alaca is a neighborhood in Ceylanpınar District, in Şanlıurfa Province, Türkiye. Alaca lies at 448 m above sea level. It has 320 inhabitants. The nearest city is Ceylanpınar, 24 km to the southwest. Near the border: Syria, 16 km. Among the landmarks around are Tell Halaf (26 km), Tell Fekheriye (24 km) and Rhesaina (23 km).