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mound to the north of the settlement of Boğazköy (central Anatolia, Turkey) with archaeological phases from the Chalcolithic period (4,000–3,000 B.C.) to the Phrygian-Lydian period (7th to 6th century B.C.). Systematic excavations at Alacahöyük have been conducted since 1935 by the Turkish archaeologist H. Koçay and others. A splendid necropolis dating from the early Bronze Age (3,000 B.C.) was discovered, which had contained burials in dirt pits and an inventory of precious plates and dishes, weapons, ritual objects, and ornaments. The remains of monumental defensive walls with figures of sphinxes on the gates, a temple, and other architectural structures date from the Hittite period.