Bulgaria's Prime Minister Boyko Borisov has welcomed his Polish counterpart Donald Tusk.
Tusk arrived in the Evksinograd residence of the Bulgarian government on the Black Sea late on Wednesday.
The tete-a-tete talks between the two prime ministers are scheduled for Wednesday night. The joint news conference of Borisov and Tusk is scheduled for this morning.
Before departing from Bulgaria, the Polish government delegation will pay visits to cultural sites in the Varna region.