Kia and Hyundai are primarily South Korean automotive manufacturers with multiple production plants globally.

Hyundai Manufacturing Locations

• The main Hyundai factory is in Ulsan, South Korea, which is a major industrial hub for the brand.
• Hyundai also has manufacturing plants in the United States (Alabama), Mexico, and Slovakia (notably producing the sporty i30N model there).
• Most Hyundai vehicles sold in Australia are built in South Korea, except for some models like the i30N made in Slovakia

Kia Manufacturing Locations

• Kia has four main production plants in South Korea: Sohari (Gwangmyeong), Hwasung, Gwangju, and Seosan.
• These plants produce a wide range of models including the Kia Carnival, K9, EV6, Soul, Seltos, Sportage, Picanto, and others.
• Kia also operates manufacturing plants in China, India (Anantapur), Japan, Mexico, Slovakia, the United States (West Point, Georgia), and Vietnam.
• The U.S. plant in Georgia produces models such as the Telluride, Sportage, Sorento, K5, and the electric EV9 SUV.
• For the Australian market, Kia vehicles are mainly manufactured in South Korea

In summary, both Kia and Hyundai are South Korean companies with their core manufacturing facilities in South Korea, supported by multiple plants worldwide including the U.S., Slovakia, Mexico, India, China, and Vietnam to meet global demand.