States of Germany States of Germany Germany is a federal republic consisting of sixteen states (, plural ; informally and very commonly , plural ). Since today's Germany was formed from an earlier collection of several states, it has a federal constitution, and the constituent states retain a measure of sovereignty. With an emphasis on geographical conditions, Berlin and Hamburg are frequently called ' (city-states), as is the Free Hanseatic City of Bremen, which in fact includes the cities of and . The remaining 13 states are called ' (literally: "area states"). The creation of the Federal Republic of Germany in 1949 was
States of Germany thus applied to the entire German people. Article 23, which had allowed "any other parts of Germany" to join, was rephrased. It had been used in 1957 to reintegrate the Saar Protectorate as the Saarland into the Federal Republic, and this was used as a model for German reunification in 1990. The amended article now defines the participation of the Federal Council and the 16 German states in matters concerning the European Union. The German states can conclude treaties with foreign countries in matters within their own sphere of competence and with the consent of the Federal Government (Article 32