Your brain is composed of three parts. Within those three parts of your brain contain lobes. In one of your lobes. The frontal and temporal lobes are the main ares of speech and language.
That would be the cerebral cortex, or better known as the frontal lobes. They not only control speech, but your consciousness, emotions, and remembering what words mean.
The brain is a very complicated part of human body. There are so many parts. TEMPORAL PARIETAL is theS speech part of the brain. The temporal parietal association cortex arround the caudal end of the Sylvian fissure.