The Sultanate of Singora was a heavily fortified port city in southern Thailand and the precursor of the present-day town of Songkhla. It was founded in the early 17th century by a Muslim, Dato Mogol,
Siamese vassal states in the deep south showed allegiance to Ayuthaya by sending tribute. Along with slaves and weapons, tribute consisted of the Bunga Mas, a small tree decorated with gold.
Sultanate of Singora (宋腒𦛨国) delegates in Beijing, China, in 1761. 万国来朝图
Remains of the Sultanate of Singora include forts on and around Khao Daeng Mountain, a stretch of city walls, a Dutch cemetery and the tomb of Sultan Sulaiman Shah (shown above).
Typical of forts on the mountain is fort 4: it is built onto the slope of Khao Daeng, abutting the mountain at its rear and rising to a height of about 4.4 metres along the front. Internal dimensions are approximately 5.5 metres by 8.5 metres.
The Ayutthaya Kingdom or the Empire of Ayutthaya was a Thai kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Ayutthaya, in Siam, or present-day Thailand. European
Ruin in Si Thep, which was speculated to be Dvaravati's Ayojjhapura, the predecessor to Ayodhya.
Image of Siamese mercenaries of Xiān in Angkor Wat, dated the 12th century. The Siamese later became a major rival of Angkor.
Wat Phanan Choeng, founded in the pre-Ayutthaya period during the reign of Ayodhya's King Sai Nam Peung (r. 1111–1165)
Ayutthaya attack and subjugation of the Malay peninsula and Sumatra between the 13th–16th century, according to Chris Baker: Ayutthaya rising from land or sea?