Kabyle (Bulgarian: Кабиле) is an ancient Thracian city near the modern city of Kabile. It is situated less than 10 km away from Yambol, south-eastern Bulgaria. Kabyle used to be one of the most important centers of south-eastern Thrace. It was established around 2000 BC on the Zaychi Vrah Heights. It was proclaimed part of the 100 Tourist Sites of Bulgaria. The territory of the city and the surrounding area was proclaimed a territory of national importance in 1965 and converted to an archaeological reserve.