Thailand have maritime territory (Maritime Zone), by UNCLOS (จาก United Nations Convention on the Law Of the Sea) law over 350,000 square kilometers of sea in which more than two-thirds of the territory, the land contained approximately 513,000 square kilometers. With a length of coastline on both the Andaman and Gulf Coast, Thailand, including the Malacca Strait northern part including domestic coastal length over Thailand covered kilometers 2815 11 provinces.