Yousuf Raza Gilani visited on Tuesday Anitkabir, the Mausoleum of Ataturk, the founder of the modern Republic of Turkey, in the Turkish capital of Ankara, Anatolian Agency reported.
Gilani signed Anitkabir Special Register and wrote that Ataturk always become a source of inspiration for Pakistan and they were glad about the friendly ties between the two countries.
Turkish Prime Minister Tayyip Erdogan later welcomed Gilani with full military honors at the Prime Ministry.
Gilani will also meet President Abdullah Gul on Tuesday.
He will attend the forum on Thursday.
Cash-strapped Pakistan is working on a plan to avert an economic crisis and it may have to seek politically unpopular aid from the International Monetary Fund.
Pakistan needs up to $5 billion to avoid defaulting on sovereign debt due for repayment next year. Its economy is suffering from soaring inflation and a plunging currency.