Akbulut and Salur suggested the study of Calabi-Yau submanifolds of G2 manifolds that come from a certain process. The author, in a joint paper with Akbulut and Salur, applied this process to a Joyce manifold, more specifically, to the Joyce manifold J(1/2,0,0,1/2,1/2), and obtained a pair of Borcea-Voisin 3-folds with Hodge numbers h1,1=h2,1=19.In this thesis, we first list all possible Joyce manifolds of the first kind. Then we describe the Calabi-Yau submanifolds of these manifolds that come from the process, we mentioned above, using the coordinate directions. This way we obtain two different Borcea-Voisin manifolds, as well as T2x K3 and T6.
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