If I want to stay in Thailand for 6 months, what type of visa should I apply?
Do I have to go to abroad after 3 months?
TLDR : Answer Summary
To stay in Thailand for 6 months, consider applying for a 6-Month Multiple Entry Tourist Visa (METV). This visa allows you to stay for extended periods, and if managed with proper border runs or extensions, you can extend it up to 9 months. After 3 months, you may need to leave Thailand and re-enter to utilize the multiple entries.