The following are some tourist countries with high cost performance:

Indonesia: Indonesia is a country with beautiful natural scenery, diverse cultures and delicious food, especially Bali, which is a very suitable place for vacation and relaxation. In addition, Indonesia's transportation and accommodation costs are very cheap, and it is a tourist country with high cost performance.

Vietnam: Vietnam is a country full of vitality and cultural charm, and its historical sites, delicious food and beaches are very attractive. Vietnam is a very suitable tourist destination for backpackers because of its low prices, cheap tourism activities and shopping.

Cambodia: Cambodia has a long history and cultural heritage, including world-famous scenic spots such as Angkor Wat. Accommodation and food costs in Cambodia are also very cheap, making it a cost-effective tourist country.

Sri Lanka: With beautiful beaches, rich wildlife and a long history and culture, Sri Lanka is a very suitable country for tourism. Sri Lanka is a tourist country with relatively low accommodation and food costs and high cost performance.

In short, all the above countries have their unique tourism resources and values, and they can choose according to their own interests and budgets.