Vietnam is a major Robusta producer.
World Coffee Research identifies its Western Highlands as the main growing region. That national context helps explain why Vietnamese Robusta is widely available, but it does not establish the characteristics of every lot or finished product.
When reviewing an offer, first identify what is being sold: green coffee, roasted whole beans, ground coffee or an instant product. Ask for the blend or ingredient description, roast or product format, pack size and intended preparation. For ground coffee, check the grind against your equipment. For a repeat order, keep the approved product specification and sample reference together.