The Schengen Area consists of twenty-two EU countries (Austria, Belgium, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden), plus Norway, Iceland and Switzerland.
This means, with a Schengen visa you can visit all these countries. In principle, it is possible to apply for visas with one, two ore multiple entries. The total length of your stay must however not exceed 90 days per half-year.
Competent Embassy or Consulate-General
The Embassy or Consulate-General of the country of the main destination is the competent authority to deal with the application. If the main destination cannot be determined, the application should be made to the embassy of the country in which the longest visit shall be. If the visits in different Schengen countries are of equal length, the first destination shall be the determining factor.
The German Embassy in Mongolia is representing several other Schengen members in the frame of Schengen cooperation. For more information, please contact the German Embassy in Ulaanbaatar.