You need an ETA for Sri Lanka if you have a German passport
Visa options for Sri Lanka (2)
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Stay for 30 days
Use within 180 days
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Approved by Wednesday, April 30, 2025
Visa on arrival for a maximum of 30 days
Travelers need a visa to visit Sri Lanka for Business or Tourism. Travelers can get a visa on arrival in Sri Lanka at the port of entry of Bandaranaike International Airport.
This is not offered by sherpa°.
Apply on the government site.