The Destruction of the Thracian Bulgarians in 1913 (, Razorenieto na trakiiskite balgari prez 1913 g., also translated as The Devastation or The Ruin of the Thracian Bulgarians in 1913) is a book published by the Bulgarian academic Lyubomir Miletich in 1918, which describes the mass extermination and ethnic cleansing of the Bulgarian population in Eastern Thrace and Eastern Rhodope Mountains (now mainly in Edirne Province, Kırklareli Province and Tekirdağ Province in Turkey and in Evros Prefecture in Greece) during the Second Balkan War and in a short period after it.