Nong Khai is a province in northeastern Thailand, located along the banks of the Mekong River. It is known for its scenic landscapes, rich culture, and vibrant local markets. The province serves as a gateway to Laos, with the famous Friendship Bridge connecting the two countries. The capital city, also named Nong Khai, features various attractions, including the Nong Khai Walking Street and the Sala Kaew Ku sculpture park. The area is popular for its traditional festivals, delicious local cuisine, and opportunities for outdoor activities like cycling and river cruises.