The Kandyan Treaty of 1638 was a treaty between the Kingdom of Kandy

Kingdom of Kandy

Kingdom of Kandy was an important independent monarchy of Sri Lanka, located in the central and eastern portion of the island. It was founded in late 15th century and endured until the early 19th century...

, in Sri Lanka

Sri Lanka

Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka is a country off the southern coast of the Indian subcontinent. Known until 1972 as Ceylon , Sri Lanka is an island surrounded by the Indian Ocean, the Gulf of Mannar and the Palk Strait, and lies in the vicinity of India and the...

, and the Dutch Republic

Dutch Republic

The Dutch Republic — officially known as the Republic of the Seven United Netherlands , the Republic of the United Netherlands, or the Republic of the Seven United Provinces — was a republic in Europe existing from 1581 to 1795, preceding the Batavian Republic and ultimately...

 signed by King Rajasinghe II for the Kingdom of Kandy and Adam Westerwold and William Jacobsz Coster, a commander and vice commander of the Dutch Naval Forces respectively, for the Dutch East India Company

Dutch East India Company

The Dutch East India Company was a chartered company established in 1602, when the States-General of the Netherlands granted it a 21-year monopoly to carry out colonial activities in Asia...

. The treaty was signed on 23 May, 1638 in Batticaloa

Batticaloa

Batticaloa is a city in the Eastern province of Sri Lanka. It is the seat of the Eastern University of Sri Lanka. It is on the east coast, south by south east of Trincomalee, and is situated on an island.-Etymology:...

. The treaty secured the terms under which the two nations would cooperate in defending the Kandyan Kingdom from the Portuguese

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

.