The best indicator is civilization, it could either be a city or a town. If a place has a neighborhood that has life. It should be considered a civilization but is defined by size, for example again a city or a town.
The turkey is a producer of natural oil and gas but the state-owned TPAO is not sufficient enough to make or contribute to the economy through turkey is a major export of apparel, textile, and manufactured transport equipment.
Turkey imports machinery chemicals, semi-finished goods and fuel. The agriculture and manufacturing sector are the most dominant sectors.