Kırka is a neighbourhood of the municipality and district of Seyitgazi, Eskişehir Province, Turkey.

[3][4] Kırka is situated on the state highway D.665 in the plains of Central West Anatolia.

Inıtially it was a temporary settlement of Turkmen nomads in the pasture.

According to tradition the founders of Kırka were forty lords, hence it was named Kırka ("forty lords" in Turkish is kırk ağa).

Turkey is the major boron producer of the world and one of the most important ores is at 4 kilometres (2.5 mi) west of Kırka.