The match will also mark the first-ever visit by a major Test playing country since the attack on Sri Lanka team in 2009.
Pakistan vs Sri Lanka 3rd ODI will be played at Sheikh Zayed Stadium in Abu Dhabi.
Meanwhile, Sri Lanka's limited-overs captain Upul Tharanga has reportedly pulled out of the Lahore T20I due to security concerns and it is likely that the board would not consider him for first two matches as well.
Babar Azam has hit a second successive century to lead Pakistan to a 32-run victory and 2-0 ODI series lead over Sri Lanka.
The Sri Lankan president said people of Sri Lanka sphere mutual feelings for Pakistan and he looks forward to deepen and broaden the interaction with Pakistan.
Azam brought up his seventh one-day hundred off 130 balls - his fourth this year - with a sharp double in the 49th over.
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Gamage had Fakhar Zaman dismissed for 11 and Mohammad Hafeez for eight while Lakmal dismissed out-of-form Ahmed Shehzad for eight.
Medium pacer Thisara Perera (2/34) then struck twice, removing Shoaib Malik (11) and Sarfraz Ahmed (5) to leave Pakistan in a spot of bother.
According to a Cricbuzz report, Tharanga's withdrawal also makes him ineligible to play in the first two T20 global matches of the series in the UAE as selectors had earlier announced that they would pick one squad for all the T20 worldwide matches versus Pakistan.
Sri Lankan will travel to Lahore for the final T20 worldwide against Pakistan on October 29, despite top players expressing their reservations on travelling to the country, where the national team was attacked by terrorists in 2009.
It were bowlers who helped Pakistan defend a low total despite Tharanga and Jeffrey Vandarsay (22) put up a fighting 76-run eighth wicket stand, but it wasn't enough.