If you are traveling to Germany for the 2013 International Convention (tourism), the need for a visa depends on your nationality.
EU nationals do not require a visa to enter the Federal Republic of Germany.
Generally speaking, all other foreigners require a visa for stays in Germany. A visa is not required for semi-annual visits of up to three months for nationals of those countries for which the European Community has abolished the visa requirement. Additional information, including visa fees, application procedures, and time required to process a visa can be found at the Federal Foreign Office Web site.
If you require a visa to enter Germany and need a letter of invitation, please download and complete the Letter of Invitation Request Form and send to the Convention Division.