The most comprehensive Thailand visa guide for travelers to Chiang Mai. Covers 10 visa types: Visa Exemption (30-90 days), Tourist Visa TR (60 days), Digital Nomad DTV (180 days), Education ED, Retirement (over 50), Marriage/Family, Special Tourist STV, Thailand Elite (5-20 years), SMART Visa, and Work Permit. Includes overstay penalties, 90-day reporting, re-entry permits, Chiang Mai immigration office info, nearest embassies for visa runs, and 10 frequently asked questions.