Aytos, sometimes written Aitos and Ajtos, is a town located in eastern Bulgaria some 30 kilometers from the Bulgarian Black Sea Coast and belonging to the administrative boundaries of Burgas Province. It is the administrative centre of the homonymous Aytos Municipality. As of December 2021, the town has a population of 18974 inhabitants.

Burgas Province is a province in southeastern Bulgaria on the southern Bulgarian Black Sea Coast. The province is named after its administrative and industrial centre, the city of Burgas, the fourth biggest town in the country. It is the largest province by area, embracing a territory of 7,748.1 km2 (2,991.6 sq mi) that is divided into 13 municipalities with a total population, as of December 2009, of 422,319 inhabitants.