A watermelon is a type of fruit that is native to tropical and subtropical regions of Africa. It is in the Cucurbitaceae family which also includes cucumbers, squash, and gourds. Watermelons are round or oval-shaped fruit with a hard, green rind and a juicy, sweet red flesh. Watermelons are typically consumed fresh, and are often eaten as a refreshing summer treat. They are high in vitamins A and C, as well as other nutrients, and are a good source of hydration. Some people also use watermelon in cooking, such as in salads or as a base for sauces and marinades. They are also good in cocktails such as watermelon soju.