Both made a visit to the Grand Palace on Friday morning and signed well-wishes book for His Majesty the King.
The tennis titans then shook hands with Thai Prime Minister Prayut Chan-o-cha and made a brief tour on the SME market next to the Government House.
Next, they were seen at the Erawan Shrine, to remember the victims in the deadly bombing in August that shook the Thai tourism outlook.
The soldout "Back to Thailand Nadal vs Djokovic" exhibition match will take place at Hua Mark Indoor Stadium. The event will be broadcast live on True Vision's True4U (Channel 4 on True Vision, Ch 34 on satellite, and Ch 34 on cable), True Tennis HD (Ch 670), or True Anywhere App from 8.30pm.
Djokovic last came to Thailand in 2008 while Nadal visited Bangkok in 2010.