Citizens of the European Union do not need a visa to enter Germany. If you are from any other country, find out about visa requirements before you travel by visiting https://www.auswaertiges-amt.de/en/einreiseundaufenthalt/visabestimmungen-node.
If you require a visa letter from the organizers to attend the 5th International Solar Neutrino Conference, please e-mail solarNuConf2018firstname.lastname@example.org.
Please include the following information in your e-mail message:
Full name (including title)
Day of birth
Full postal address
Full address to which the visa letter shall be send
Company / Affiliation
Contact telephone number
Any specific details which must be stipulated in the letter (if applicable)