The village is located in Strandzha mountains, 20 km north of the centre of Kırklareli, near the border with Bulgaria.

[3] After the Russo-Ottoman War of 1877–1878, first families from Dereköy migrated to Razgrad and Tutrakan to the newly sovereign Bulgaria.

[4] After the outbreak of the Balkan War in 1912, 16 volunteers from Dereköy fought in the Macedonia-Edirne-volunteer corps of the Bulgarian army.

[5] After the outbreak of the Second Balkan War, when the Turkish army recaptured eastern Thrace, the whole Bulgarian population of Dereköy escaped to Bulgaria.

The border crossing point lies about 11 km north west of the village centre.