King coconut is a variety of Coconut native to Sri Lanka where it is known as Thembili Sweeter than regular coconuts, there are several sub varieties of “Thembili-the most common being the “red dwarf” (kaha thambili, commonly referred to as gon thambili). The other variety is “ran thambili”a smaller variety containing about forty nuts in a bunch. The king coconut tree is shorter than coconut trees, and are found commonly growing wild in many areas of the country.
This is a common site in Sri Lanka you could almost buy one of these anywhere in the country most sold in the urban areas for 60 Rupees ok they might charge you if you are a foreigner.
Below is a road site shop where they sell this refreshing water.
This is the same King Coconut water sold in bottle in the European markets. I don’t know the nutritional value of this though.
They grow in abundance like 40 in a bunch.
This is Kurumba (Young Coconut) and they got plenty of water as well but you won’t find them in the local market for sales but may be you’ll find them in households.