Bangladesh s a area of natural beauties. It is located in south-east asia. It has many wonderful scenary and culture. It has the lengthiest organic unbroken sea seaside called Cox's Bazar. Teknaf a position located by the side of Naf stream. This also represents the end point of Cox's Bazar seaside. "saint Martin" a little island in the northeast part of the Bay of Bengal. The local name of the isle is Narikel Jinjira significance "Coconut Island" in Arabic.