🇧🇬 Bulgaria · Ancient village
Durankulak – Lake Durankulak Archaeological Complex
Early Neolithic to Medieval (Hamangia → Varna → Gumelnița → Thracian → Greek) · Hamangia → Varna → Gumelnița → Thracian coastal
Island tell and lake necropolis spanning 6500 years continuously (c.5100 BCE Early Neolithic to 1000 CE medieval) — the longest stratigraphic column on Black Sea coast.