Source: https://www.bangkokpost.com/learning/advanced/3258040/thailand-ends-60day-visafree-stay
ආණ්ඩුවේ / එම්බසි වල ඉන්න එවුන්ගෙ වැඩ තමයි
54 countries and territories granted 30-day visa exemption:
Europe: Austria, Belgium, Czechia, Denmark, Estonia, Finland, France, Germany, Greece...