Büyükyoncalı Merkez is a neighbourhood of the municipality and district of Saray, Tekirdağ Province, Turkey.

The settlement was founded in 1861 by the Turks from Crimea who migrated to Turkey after the Crimean War.

Büyükyoncalı residents were banished to Milos island in the Aegean Sea.

However it was returned to Turkey after the Turkish War of Independence on 1 November 1922.

Sunflower, corn and cereals are the main agricultural crops.