The southern region is tropical, sustaining, rice paddies, coconut groves, and many more spices from the north. French colonisation of Vietnam also had a deep influence on Vietnamese cooking. Most of the dish, either in the preparations or as an accompaniment, include the essential seasoning Nuoc Cham - a savoury mixture of garlic, chilli pepper, lime and fish sauce. Raw vegetables and salads are prominent in the meal, while oil is used sparingly, making Vietnamese food and ideal cuisine for the weight conscious. Dress Code Business in conducted fairly formally and suitable attire is a lightweight clothes for both men and women or smart trousers with a collar and tie for men, or a skirt and blouse for women.
Social life is reasonably informal and conservative sportswear is recommended.
Only men normally give flower to women. Do not open gift in front of the giver. Gift should always be handed to the most senior person present. Whiskey or cognac is an appropriate gift for business. Handkercheifs are symbols of a sad farewell, and most Asians think using a cloth handkerchief and then returning it to one's pocket is uncivilised.