Complex sentence: The Khorat Plateau also Korat Plateau, is a plateau in the northeastern (Isan) region of Thailand, named for the short form of Nakhon Ratchasima, an historical stronghold controlling access to and from the plateau.
Split into simpler sentences: The Khorat Plateau also Korat Plateau, is a plateau in the northeastern region of Thailand, also called Isan. It is named after the short form of Nakhon Ratchasima, an historical stronghold controlling access to and from the plateau.