Cook was in Singapore on Wednesday and Thursday, where he met with Shot on iPhone photographers Darren Soh and Aik Beng Chia.
Cook on Friday did some site-seeing along the Chao Phraya River. This culminated in a visit to the Wat Arun Ratchawararam Ratchawaramahawihan Buddhist temple.
"Thailand! My journey this morning along the Chao Phraya River culminated in a visit to the peaceful Wat Arun. Thank you Jirasak Panpin for showing me this historic temple through your lens," he wrote in a Twitter post.
Cook also spent time with two WWDC scholarship winners, and then met "studygrammer" Peanut Butter, who brings intricate Thai handwriting to life on iPad."
"It made my heart sing to spend time with Thailand's WWDC scholarship winners Kiratijuta and Patcharapon. Amazing to see how your careers have taken off since WWDC! And great to meet studygrammer Peanut Butter who brings intricate Thai handwriting to life on iPad. Stunning," Cook added.
Additionally, he met developers who are using Swift Playgrounds at Apple IconSiam before having food with a pair of food bloggers in Bangkok.
"Thanks to @YodWongnai and food bloggers Yota and Jira for showing me some of Bangkok's best street food. Jay Fai's reputation is well deserved - the crab omelette was amazing! Five stars on @Wongnai from me," the Apple CEO noted.
( With inputs from IANS )