In Thailand, there are two types of land ownership: leasehold and freehold.
Leasehold ownership is when a person or entity (usually a company) leases the land from the government or a landowner for a specified period of time, usually 30 years but leasehold can be renewed or extended 30 years + 30 years (totaling 90 years), but it requires the consent of the landowner and is subject to renegotiation of terms and conditions. Leasehold is a common form of land ownership for foreigners in Thailand, as freehold ownership is restricted.
Freehold ownership, on the other hand, is when a person or entity owns the land outright and has full rights to use, transfer, or sell the property. However, freehold ownership of land in Thailand is restricted to Thai nationals, as well as companies in which at least 51% of the shares are owned by Thai nationals. Foreigners can still acquire freehold ownership of a property in Thailand by purchasing a condominium unit, but the ownership of the land on which the condominium is built is not included.